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125-835: Cameroon , officially the Republic of Cameroon , is a country in Central Africa . It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea , Gabon , and the Republic of the Congo to the south. Its coastline lies on the Bight of Biafra , part of the Gulf of Guinea , and the Atlantic Ocean . Due to its strategic position at
250-654: A hill , typically rising at least 300 metres (980 ft ) above the surrounding land. A few mountains are isolated summits , but most occur in mountain ranges . Mountains are formed through tectonic forces , erosion , or volcanism , which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering , through slumping and other forms of mass wasting , as well as through erosion by rivers and glaciers . High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect
375-601: A Kongolese army of 5,000, was destroyed by an army of Afro-Portuguese at the Battle of Mbwila . The empire dissolved into petty polities, fighting among each other for war captives to sell into slavery. Kongo gained captives from the Kingdom of Ndongo in wars of conquest. Ndongo was ruled by the ngola . Ndongo would also engage in slave trading with the Portuguese, with São Tomé being a transit point to Brazil. The kingdom
500-428: A biotemperature below 1.5 °C (34.7 °F). Mountain environments are particularly sensitive to anthropogenic climate change and are currently undergoing alterations unprecedented in last 10,000 years. The effect of global warming on mountain regions (relative to lowlands) is still an active area of study. Observational studies show that highlands are warming faster than nearby lowlands, but when compared globally,
625-472: A fee to use this area. The governments only enforced rules and regulations to a limited extent. Local governments and traditional authorities are increasingly engaged in rent-seeking , collecting license fees with the help of the police or army. Oil is also a major export of the countries of northern and eastern Central Africa, notably making up a large proportion of the GDPs of Chad and South Sudan. Following
750-835: A joint letter to the UNHRC defending China 's treatment of Uyghurs in the Xinjiang region. The Cameroon Armed Forces (French: Forces armées camerounaises , FAC) consists of the country's army ( Armée de Terre ), the country's navy ( Marine Nationale de la République (MNR), including naval infantry), the Cameroonian Air Force ( Armée de l'Air du Cameroun , AAC), and the Gendarmerie . Males and females who are 18 years of age up to 23 years of age and have graduated high school are eligible for military service. Those who join are obliged to complete four years of service. There
875-930: A member state of the African Union , the United Nations , the Organisation Internationale de la Francophonie (OIF), the Commonwealth of Nations , the Non-Aligned Movement , and the Organisation of Islamic Cooperation . Originally, Cameroon was the exonym given by the Portuguese to the Wouri River , which they called Rio dos Camarões meaning 'river of shrimps ' or 'shrimp river', referring to
1000-464: A mountain is roughly equivalent to moving 80 kilometres (45 miles or 0.75° of latitude ) towards the nearest pole. This relationship is only approximate, however, since local factors such as proximity to oceans (such as the Arctic Ocean) can drastically modify the climate. As the altitude increases, the main form of precipitation becomes snow and the winds increase. The effect of
1125-475: A mountain, for the purposes of access, is a summit of 2,000 feet (610 m) or higher. In addition, some definitions also include a topographical prominence requirement, such as that the mountain rises 300 metres (984 ft) above the surrounding terrain. At one time, the United States Board on Geographic Names defined a mountain as being 1,000 feet (305 m) or taller, but has abandoned
1250-482: A mountain. Elevation, volume, relief, steepness, spacing and continuity have been used as criteria for defining a mountain. In the Oxford English Dictionary a mountain is defined as "a natural elevation of the earth surface rising more or less abruptly from the surrounding level and attaining an altitude which, relatively to the adjacent elevation, is impressive or notable." Whether a landform
1375-452: A national cash reserve, pay farmers, and finance major development projects; however, many initiatives failed when Ahidjo appointed unqualified allies to direct them. The national flag was changed on 20 May 1975 with the two stars removed and replaced with a large central star as a symbol of national unity. Ahidjo stepped down on 4 November 1982 and left power to his constitutional successor, Paul Biya . However, Ahidjo remained in control of
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#17327648282761500-500: A regimen of forced labour. This economic policy was much criticised by the other colonial powers. With the defeat of Germany in World War I , Kamerun became a League of Nations mandate territory and was split into French Cameroon ( French : Cameroun ) and British Cameroon in 1919. France integrated the economy of Cameroon with that of France and improved the infrastructure with capital investments and skilled workers, modifying
1625-648: A significant role in religion. There are for example a number of sacred mountains within Greece such as Mount Olympus which was held to be the home of the gods. In Japanese culture, the 3,776.24 m (12,389.2 ft) volcano of Mount Fuji is also held to be sacred with tens of thousands of Japanese ascending it each year. Mount Kailash , in the Tibet Autonomous Region of China, is considered to be sacred in four religions: Hinduism, Bon , Buddhism, and Jainism . In Ireland, pilgrimages are made up
1750-568: A territorial dispute over the Bakassi peninsula were resolved. The talks involved President Paul Biya of Cameroon, then President Olusegun Obasanjo of Nigeria, and then UN Secretary-General Kofi Annan , and resulted in Cameroonian control of the oil-rich peninsula. The northern portion of the territory was formally handed over to the Cameroonian government in August 2006, and the remainder of
1875-488: A treaty with one of the local kings to annex the region for the German emperor. The German Empire claimed the territory as the colony of Kamerun in 1884 and began a steady push inland; the natives resisted. Under the aegis of Germany, commercial companies were local administrations. These concessions used forced labour to run profitable banana, rubber, palm oil, and cocoa plantations. Even infrastructure projects relied on
2000-471: A whole, 24% of the Earth's land mass is mountainous. There are three main types of mountains: volcanic , fold , and block . All three types are formed from plate tectonics : when portions of the Earth's crust move, crumple, and dive. Compressional forces, isostatic uplift and intrusion of igneous matter forces surface rock upward, creating a landform higher than the surrounding features. The height of
2125-613: A withdrawal by both countries and denied the request by Cameroon for compensation due to Nigeria's long-term occupation. By 2004, Nigeria had failed to meet the deadline to hand over the peninsula. A UN-mediated summit in June 2006 facilitated an agreement for Nigeria to withdraw from the region and both leaders signed the Greentree Agreement . The withdrawal and handover of control was completed by August 2006. In July 2019, UN ambassadors of 37 countries, including Cameroon, signed
2250-452: Is El Alto , Bolivia, at 4,150 metres (13,620 ft), which has a highly diverse service and manufacturing economy and a population of nearly 1 million. Traditional mountain societies rely on agriculture, with higher risk of crop failure than at lower elevations. Minerals often occur in mountains, with mining being an important component of the economics of some mountain-based societies. More recently, tourism has become more important to
2375-466: Is Mount Cameroon in the Southwest Region . Cameroon's most populous cities are Douala on the Wouri River , its economic capital and main seaport; Yaoundé , its political capital; and Garoua . Limbé in the southwest has a natural seaport. Cameroon is well known for its native music styles, particularly Makossa , Njang, and Bikutsi , and its successful national football team . It is
2500-525: Is 8,850 m (29,035 ft) above mean sea level. The highest known mountain on any planet in the Solar System is Olympus Mons on Mars at 21,171 m (69,459 ft). The tallest mountain including submarine terrain is Mauna Kea in Hawaii from its underwater base at 9,330 m (30,610 ft) and some scientists consider it to be the tallest on earth. There is no universally accepted definition of
2625-413: Is a member of both the Commonwealth of Nations and La Francophonie . Its foreign policy closely follows that of its main ally, France (one of its former colonial rulers). Cameroon relies heavily on France for its defence, although military spending is high in comparison to other sectors of government. President Biya has engaged in a decades-long clash with the government of Nigeria over possession of
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#17327648282762750-454: Is a mixture of civil law , common law , and customary law . Although nominally independent, the judiciary falls under the authority of the executive's Ministry of Justice . The president appoints judges at all levels. The judiciary is officially divided into tribunals, the court of appeal , and the supreme court . The National Assembly elects the members of a nine-member High Court of Justice that judges high-ranking members of government in
2875-478: Is a poor conductor of heat, so a parcel of air will rise and fall without exchanging heat. This is known as an adiabatic process , which has a characteristic pressure-temperature dependence. As the pressure gets lower, the temperature decreases. The rate of decrease of temperature with elevation is known as the adiabatic lapse rate , which is approximately 9.8 °C per kilometre (or 5.4 °F (3.0 °C) per 1000 feet) of altitude. The presence of water in
3000-419: Is a set of outdoor activities that involves ascending mountains . Mountaineering-related activities include traditional outdoor climbing , skiing , and traversing via ferratas that have become sports in their own right. Indoor climbing , sport climbing , and bouldering are also considered variants of mountaineering by some, but are part of a wide group of mountain sports . Mountains often play
3125-553: Is called a mountain may depend on local usage. John Whittow's Dictionary of Physical Geography states "Some authorities regard eminences above 600 metres (1,969 ft) as mountains, those below being referred to as hills." In the United Kingdom and the Republic of Ireland, a mountain is usually defined as any summit at least 2,000 feet (610 m) high, which accords with the official UK government's definition that
3250-441: Is elected and creates policy, administers government agencies, commands the armed forces , negotiates and ratifies treaties, and declares a state of emergency. The president appoints government officials at all levels, from the prime minister (considered the official head of government), to the provincial governors and divisional officers. The president is selected by popular vote every seven years. There have been 2 presidents since
3375-466: Is no conscription in Cameroon, but the government makes periodic calls for volunteers. Human rights organisations accuse police and military forces of mistreating and even torturing criminal suspects, ethnic minorities, homosexuals , and political activists. United Nations figures indicate that more than 21,000 people have fled to neighbouring countries, while 160,000 have been internally displaced by
3500-556: Is not enough oxygen to support human life. This is sometimes referred to as the " death zone ". The summits of Mount Everest and K2 are in the death zone. Mountains are generally less preferable for human habitation than lowlands, because of harsh weather and little level ground suitable for agriculture . While 7% of the land area of Earth is above 2,500 metres (8,200 ft), only 140 million people live above that altitude and only 20-30 million people above 3,000 metres (9,800 ft) elevation. About half of mountain dwellers live in
3625-523: Is now Angola . The West African Sao civilization flourished from ca. the 6th century BCE to as late as the 16th century CE in northern Central Africa. The Sao lived by the Chari River south of Lake Chad in territory that later became part of Cameroon and Chad. They are the earliest people to have left clear traces of their presence in the territory of modern Cameroon . Today, several ethnic groups of northern Cameroon and southern Chad but particularly
3750-637: Is now the country of Chad. Baguirmi emerged to the southeast of the Kanem–Bornu Empire . The kingdom's first ruler was Mbang Birni Besse. Later in his reign, the Bornu Empire conquered and made the state a tributary. The Wadai Empire was centered in Chad from the 17th century. The Tunjur people founded the Wadai Kingdom to the east of Bornu in the 16th century. In the 17th century, there
3875-464: Is possible only in the southern belt. Slash-and-burn agriculture is a common practice. Flood recession agriculture is practiced around Lake Chad and in the riverine wetlands. Nomadic herders migrate with their animals into the grasslands of the northern part of the basin for a few weeks during each short rainy season, where they intensively graze the highly nutritious grasses. When the dry season starts they move back south, either to grazing lands around
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4000-457: Is the highest mountain on Earth, at 8,848 metres (29,029 ft). There are at least 100 mountains with heights of over 7,200 metres (23,622 ft) above sea level, all of which are located in central and southern Asia. The highest mountains above sea level are generally not the highest above the surrounding terrain. There is no precise definition of surrounding base, but Denali , Mount Kilimanjaro and Nanga Parbat are possible candidates for
4125-525: Is the largest mountain on Earth in terms of base area (about 2,000 sq mi or 5,200 km ) and volume (about 18,000 cu mi or 75,000 km ). Mount Kilimanjaro is the largest non-shield volcano in terms of both base area (245 sq mi or 635 km ) and volume (1,150 cu mi or 4,793 km ). Mount Logan is the largest non-volcanic mountain in base area (120 sq mi or 311 km ). The highest mountains above sea level are also not those with peaks farthest from
4250-526: The Andes , Central Asia, and Africa. With limited access to infrastructure, only a handful of human communities exist above 4,000 metres (13,000 ft) of elevation. Many are small and have heavily specialized economies, often relying on industries such as agriculture, mining, and tourism. An example of such a specialized town is La Rinconada, Peru , a gold-mining town and the highest elevation human habitation at 5,100 metres (16,700 ft). A counterexample
4375-828: The Bantu Migration , Central Africa is primarily inhabited by Native African or Bantu peoples and Bantu languages predominate. These include the Mongo , Kongo and Luba peoples. Central Africa also includes many Nilo-Saharan and Niger-Congo Ubangian communities: in north western Central Africa the Nilo-Saharan Kanuri predominate. Most of the Ubangian speakers in Africa (often grouped with Niger-Congo) are also found in Central Africa, such as
4500-649: The Basin and Range Province of Western North America. These areas often occur when the regional stress is extensional and the crust is thinned. During and following uplift, mountains are subjected to the agents of erosion (water, wind, ice, and gravity) which gradually wear the uplifted area down. Erosion causes the surface of mountains to be younger than the rocks that form the mountains themselves. Glacial processes produce characteristic landforms, such as pyramidal peaks , knife-edge arêtes , and bowl-shaped cirques that can contain lakes. Plateau mountains, such as
4625-690: The Cameroon range extends from Mount Cameroon on the coast—Cameroon's highest point at 4,095 metres (13,435 ft)—almost to Lake Chad at Cameroon's northern border at 13°05'N. This region has a mild climate, particularly on the Western High Plateau , although rainfall is high. Its soils are among Cameroon's most fertile, especially around volcanic Mount Cameroon. Volcanism here has created crater lakes . On 21 August 1986, one of these, Lake Nyos , belched carbon dioxide and killed between 1,700 and 2,000 people. This area has been delineated by
4750-468: The Catskills , are formed from the erosion of an uplifted plateau. Climate in the mountains becomes colder at high elevations , due to an interaction between radiation and convection. Sunlight in the visible spectrum hits the ground and heats it. The ground then heats the air at the surface. If radiation were the only way to transfer heat from the ground to space, the greenhouse effect of gases in
4875-700: The Congo Crisis (1960–1965) which ended with the installment of Joseph Mobutu as president and renamed the country Zaire in 1971. Equatorial Guinea gained independence from Spain in 1968, leading to the election of Francisco Macías Nguema , now widely regarded as one of the most brutal dictators in history. In 1961, Angola became involved in the Portuguese Colonial War , a 13-year-long struggle for independence in Lusophone Africa . It gained independence only in 1975, following
5000-836: The Federation of Rhodesia and Nyasaland , was made up of what are now the nations of Malawi , Zambia , and Zimbabwe . Similarly, the Anglican Church of the Province of Central Africa covers dioceses in Botswana , Malawi, Zambia, and Zimbabwe, while the Church of Central Africa, Presbyterian has synods in Malawi, Zambia, and Zimbabwe. These states are now typically considered part of East or Southern Africa . The Congo River basin has historically been ecologically significant to
5125-724: The Gbaya , Banda and Zande , in northern Central Africa. Notable Central African supra-regional organizations include the Lake Chad Basin Commission and the Economic Community of Central African States . The predominant religions of Central Africa are Christianity and traditional faiths . Islam is also practiced in some areas in Chad and the Central African Republic . Due to common historical processes and widespread demographic movements between
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5250-478: The Kingdom of Kongo under a ruler called the manikongo , residing in the fertile Pool Malebo area on the lower Congo River . The capital was M'banza-Kongo . With superior organization, they were able to conquer their neighbors and extract tribute. They were experts in metalwork, pottery, and weaving raffia cloth. They stimulated interregional trade via a tribute system controlled by the manikongo . Later, maize (corn) and cassava (manioc) would be introduced to
5375-551: The Sara people claim descent from the civilization of the Sao. Sao artifacts show that they were skilled workers in bronze , copper, and iron. Finds include bronze sculptures and terra cotta statues of human and animal figures, coins, funerary urns, household utensils, jewelry, highly decorated pottery, and spears. The largest Sao archaeological finds have been made south of Lake Chad. The West-Central African kingdom of Kanem–Bornu Empire
5500-490: The Southern Cameroons National Council advocated complete secession as the Republic of Ambazonia . The 1992 Labour Code of Cameroon gives workers the freedom to belong to a trade union or not to belong to any trade union at all. It is the choice of a worker to join any trade union in their occupation since there is more than one trade union in each occupation. In June 2006, talks concerning
5625-505: The United Kingdom as League of Nations mandates . France took 4/5 and the United Kingdom 1/5 of the territory and both ruled it under mandate until independence in 1960 and 1961 respectively. The Union des Populations du Cameroun (UPC) political party advocated independence but was outlawed by France in the 1950s, leading to the national liberation insurgency fought between French and UPC militant forces until early 1971. In 1960,
5750-708: The World Wildlife Fund as the Cameroonian Highlands forests ecoregion. Central Africa Central Africa is a subregion of the African continent comprising various countries according to different definitions. Middle Africa is an analogous term used by the United Nations in its geoscheme for Africa and consists of the following countries: Angola , Cameroon , Central African Republic , Chad , Democratic Republic of
5875-466: The ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable terrain and climate, mountains tend to be used less for agriculture and more for resource extraction, such as mining and logging , along with recreation, such as mountain climbing and skiing . The highest mountain on Earth is Mount Everest in the Himalayas of Asia , whose summit
6000-514: The manikongo . In 1506, Afonso I (1506–1542), a Christian, took over the throne. Slave trading increased with Afonso's wars of conquest. About 1568 to 1569, the Jaga invaded Kongo, laying waste to the kingdom and forcing the manikongo into exile. In 1574, Manikongo Álvaro I was reinstated with the help of Portuguese mercenaries. During the latter part of the 1660s, the Portuguese tried to gain control of Kongo. Manikongo António I (1661–1665), with
6125-609: The wettest places on earth, part of the Cross-Sanaga-Bioko coastal forests . The South Cameroon Plateau rises from the coastal plain to an average elevation of 650 metres (2,133 ft). Equatorial rainforest dominates this region, although its alternation between wet and dry seasons makes it less humid than the coast. This area is part of the Atlantic Equatorial coastal forests ecoregion . An irregular chain of mountains, hills, and plateaus known as
6250-699: The 1974 Carnation Revolution in Lisbon . São Tomé and Príncipe also gained independence in 1975 in the aftermath of the Carnation Revolution. In 2011, South Sudan gained its independence from the Republic of Sudan after over 50 years of war . In the 21st century, many jihadist and Islamist groups began to operate in the Central African region, including the Seleka and the Ansaru . Over
6375-621: The 952 metres (3,123 ft) Mount Brandon by Irish Catholics . The Himalayan peak of Nanda Devi is associated with the Hindu goddesses Nanda and Sunanda; it has been off-limits to climbers since 1983. Mount Ararat is a sacred mountain, as it is believed to be the landing place of Noah's Ark . In Europe and especially in the Alps , summit crosses are often erected on the tops of prominent mountains. Heights of mountains are typically measured above sea level . Using this metric, Mount Everest
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#17327648282766500-597: The Anglophone region as the Federal Republic of Ambazonia . The government responded with a military offensive, and the insurgency spread across the Northwest and Southwest regions. As of 2019, fighting between separatist guerillas and government forces continues. During 2020, numerous terrorist attacks—many of them carried out without claims of credit—and government reprisals have led to bloodshed throughout
6625-471: The Atlantic Ocean. Tourist literature describes Cameroon as "Africa in miniature" because it exhibits all major climates and vegetation of the continent: coast, desert, mountains, rainforest, and savanna. The country's neighbours are Nigeria and the Atlantic Ocean to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea , Gabon and the Republic of
6750-660: The Bornu empire had expanded and recaptured the parts of Kanem that had been conquered by the Bulala. Satellite states of Bornu included the Damagaram in the west and Baguirmi to the southeast of Lake Chad. The Shilluk Kingdom was centered in South Sudan from the 15th century from along a strip of land along the western bank of White Nile, from Lake No to about 12° north latitude . The capital and royal residence were in
6875-685: The British Cameroons, the question was whether to reunify with French Cameroon or join Nigeria; the British ruled out the option of independence. On 1 January 1960, French Cameroun gained independence from France under President Ahmadou Ahidjo as the Republic of Cameroon. On 1 October 1961, the formerly British Southern Cameroons gained independence from the United Kingdom by vote of the UN General Assembly and merged into
7000-418: The British and French concluded an agreement to clarify the boundary between French West Africa and what would become Nigeria . A boundary was agreed along a line from Say on the Niger to Barruwa on Lake Chad , but leaving the Sokoto Caliphate in the British sphere. Parfait-Louis Monteil was given charge of an expedition to discover where this line actually ran. On 9 April 1892 he reached Kukawa on
7125-426: The CNU and tried to run the country from behind the scenes until Biya and his allies pressured him into resigning. Biya began his administration by moving toward a more democratic government, but a failed coup d'état nudged him toward the leadership style of his predecessor. In 1987, Dja Faunal Reserve , Cameroon's first world heritage site , was inscribed on the list by UNESCO . An economic crisis took effect in
7250-407: The Congo to the south. Cameroon is divided into five major geographic zones distinguished by dominant physical, climatic, and vegetative features. The coastal plain extends 15 to 150 kilometres (9 to 93 mi) inland from the Gulf of Guinea and has an average elevation of 90 metres (295 ft). Exceedingly hot and humid with a short dry season , this belt is densely forested and includes some of
7375-461: The Congo , Republic of the Congo , Equatorial Guinea , Gabon , and São Tomé and Príncipe . The United Nations Office for Central Africa also includes Burundi and Rwanda in the region, which are considered part of East Africa in the geoscheme. These eleven countries are members of the Economic Community of Central African States (ECCAS). Six of those countries (Cameroon, Central African Republic, Chad, Equatorial Guinea, Gabon, and Republic of
7500-441: The Congo) are also members of the Economic and Monetary Community of Central Africa (CEMAC) and share a common currency, the Central African CFA franc . The African Development Bank , on the other hand, defines Central Africa as seven countries: Cameroon, Central African Republic, Chad, Republic of the Congo, Democratic Republic of Congo, Equatorial Guinea, and Gabon. The Central African Federation (1953–1963), also called
7625-656: The English-speaking territories, where politicians have advocated for greater decentralisation and even complete separation or independence (as in the Southern Cameroons National Council ). In 2017, tensions over the creation of an Ambazonian state in the English-speaking territories escalated into open warfare . Large numbers of Cameroonians live as subsistence farmers . The country is often referred to as "Africa in miniature" for its geological, linguistic, and cultural diversity. Its natural features include beaches , deserts , mountains , rainforests , and savannas . Cameroon's highest point, at almost 4,100 metres (13,500 ft),
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#17327648282767750-442: The French-administered part of Cameroon became independent, as the Republic of Cameroun, under President Ahmadou Ahidjo . The southern part of British Cameroons federated with it in 1961 to form the Federal Republic of Cameroon. The federation was abandoned in 1972. The country was renamed the United Republic of Cameroon in 1972 and back to the Republic of Cameroon in 1984 by a presidential decree by President Paul Biya . Biya,
7875-420: The German traveler Heinrich Barth . Kanem rose in the 8th century in the region to the north and east of Lake Chad. The Kanem empire went into decline, shrank, and in the 14th century was defeated by Bilala invaders from the Lake Fitri region. The Kanuri people of West Africa led by the Sayfuwa migrated to the west and south of the lake, where they established the Bornu Empire . By the late 16th century
8000-421: The Kanem and its successor state, the Bornu Empire . Kingdoms, fondoms , and chiefdoms arose in the west. Portuguese sailors reached the coast in 1472. They noted an abundance of the ghost shrimp Lepidophthalmus turneranus in the Wouri River and named it Rio dos Camarões ( Shrimp River ), which became Cameroon in English. Over the following few centuries, European interests regularised trade with
8125-438: The Lunda. The Imbangala of inland Angola claimed descent from a founder, Kinguri, brother of Queen Rweej, who could not tolerate the rule of mulopwe Tshibunda. Kinguri became the title of kings of states founded by Queen Rweej's brother. The Luena (Lwena) and Lozi (Luyani) in Zambia also claim descent from Kinguri. During the 17th century, a Lunda chief and warrior called Mwata Kazembe set up an Eastern Lunda kingdom in
8250-411: The Republic of Cameroon to form the Federal Republic of Cameroon. The federal republic was composed of two federated states, East Cameroon and West Cameroon , each with their own legislatures, governments, and prime ministers. 1 October is now observed as Unification Day , a public holiday . Ahidjo used the ongoing war with the UPC to concentrate power in the presidency, continuing with this even after
8375-413: The UN High Commissioner for Human Rights Zeid Ra'ad Al Hussein expressed deep concern about reports of violations and abuses in the English-speaking Northwest and Southwest regions of Cameroon. According to OCHA, more than 1.7 million people require humanitarian assistance in the northwest and southwest regions. OCHA also estimates that at least 628,000 people have been internally displaced by violence in
8500-407: The US. Fold mountains occur when two plates collide: shortening occurs along thrust faults and the crust is overthickened. Since the less dense continental crust "floats" on the denser mantle rocks beneath, the weight of any crustal material forced upward to form hills, plateaus or mountains must be balanced by the buoyancy force of a much greater volume forced downward into the mantle. Thus
8625-443: The administration of an elected Regional Council . Each region is headed by a presidentially appointed governor. These leaders are charged with implementing the will of the president, reporting on the general mood and conditions of the regions, administering the civil service, keeping the peace, and overseeing the heads of the smaller administrative units. Governors have broad powers: they may order propaganda in their area and call in
8750-578: The army, gendarmes , and police. All local government officials are employees of the central government's Ministry of Territorial Administration, from which local governments also get most of their budgets. The regions are subdivided into 58 divisions (French départements ). These are headed by presidentially appointed divisional officers ( préfets ). The divisions are further split into sub-divisions ( arrondissements ), headed by assistant divisional officers ( sous-prefets ). The districts, administered by district heads ( chefs de district ), are
8875-553: The atmosphere complicates the process of convection. Water vapor contains latent heat of vaporization . As air rises and cools, it eventually becomes saturated and cannot hold its quantity of water vapor. The water vapor condenses to form clouds and releases heat, which changes the lapse rate from the dry adiabatic lapse rate to the moist adiabatic lapse rate (5.5 °C per kilometre or 3 °F (1.7 °C) per 1000 feet) The actual lapse rate can vary by altitude and by location. Therefore, moving up 100 m (330 ft) on
9000-429: The atmosphere would keep the ground at roughly 333 K (60 °C; 140 °F), and the temperature would decay exponentially with height. However, when air is hot, it tends to expand, which lowers its density. Thus, hot air tends to rise and transfer heat upward. This is the process of convection . Convection comes to equilibrium when a parcel of air at a given altitude has the same density as its surroundings. Air
9125-459: The climate on the ecology at an elevation can be largely captured through a combination of amount of precipitation, and the biotemperature , as described by Leslie Holdridge in 1947. Biotemperature is the mean temperature; all temperatures below 0 °C (32 °F) are considered to be 0 °C. When the temperature is below 0 °C, plants are dormant, so the exact temperature is unimportant. The peaks of mountains with permanent snow can have
9250-604: The coast as trade dealers, not venturing on conquest of the interior. Slavery wreaked havoc in the interior, with states initiating wars of conquest for captives. The Imbangala formed the slave-raiding state of Kasanje , a major source of slaves during the 17th and 18th centuries. During the Conference of Berlin in 1884–85 Africa was divided up between the European colonial powers, defining boundaries that are largely intact with today's post-colonial states. On 5 August 1890
9375-541: The coast in the 15th century and named the area Rio dos Camarões ( Shrimp River ), which became Cameroon in English. Fulani soldiers founded the Adamawa Emirate in the north in the 19th century, and various ethnic groups of the west and northwest established powerful chiefdoms and fondoms . Cameroon became a German colony in 1884 known as Kamerun . After World War I , it was divided between France and
9500-517: The coast, and the North-West ( Nord-Ouest ) and West ( Ouest ) regions are in the western grassfields. At 475,442 square kilometres (183,569 sq mi), Cameroon is the world's 53rd-largest country. The country is located in Central Africa , on the Bight of Bonny , part of the Gulf of Guinea and the Atlantic Ocean. Cameroon lies between latitudes 1° and 13°N , and longitudes 8° and 17°E . Cameroon controls 12 nautical miles of
9625-670: The coastal peoples, and Christian missionaries pushed inland. In 1896, Sultan Ibrahim Njoya created the Bamum script , or Shu Mom, for the Bamum language . It is taught in Cameroon today by the Bamum Scripts and Archives Project . Germany began to establish roots in Cameroon in 1868 when the Woermann Company of Hamburg built a warehouse. It was built on the estuary of the Wouri River. Later, Gustav Nachtigal made
9750-407: The colonial administrative boundaries. Chad , Gabon , the Republic of the Congo , and the Central African Republic became autonomous states with the dissolution of French Equatorial Africa in 1958, gaining full independence in 1960. The Democratic Republic of the Congo also gained independence from Belgium in 1960, but quickly devolved into a period of political upheaval and conflict known as
9875-414: The colonial system of forced labour. The British administered their territory from neighbouring Nigeria . Natives complained that this made them a neglected "colony of a colony". Nigerian migrant workers flocked to Southern Cameroons, ending forced labour altogether but angering the local natives, who felt swamped. The League of Nations mandates were converted into United Nations Trusteeships in 1946, and
10000-534: The conditions above and below a particular zone will be inhospitable and thus constrain their movements or dispersal . These isolated ecological systems are known as sky islands . Altitudinal zones tend to follow a typical pattern. At the highest elevations, trees cannot grow, and whatever life may be present will be of the alpine type, resembling tundra . Just below the tree line , one may find subalpine forests of needleleaf trees, which can withstand cold, dry conditions. Below that, montane forests grow. In
10125-476: The continental crust is normally much thicker under mountains, compared to lower lying areas. Rock can fold either symmetrically or asymmetrically. The upfolds are anticlines and the downfolds are synclines : in asymmetric folding there may also be recumbent and overturned folds. The Balkan Mountains and the Jura Mountains are examples of fold mountains. Block mountains are caused by faults in
10250-557: The countries of Central Africa before the Bantu Migration into much of southern Central Africa, the cultures of the region evidence many similarities and interrelationships. Similar cultural practices stemming from common origins as largely Nilo-Saharan or Bantu peoples are also evident in Central Africa including in music, dance, art, body adornment, initiation, and marriage rituals. Some major Native African ethnic groups in Central Africa are as follows: Further information in
10375-631: The country. Since 2016, more than 450,000 people have fled their homes. The conflict indirectly led to an upsurge in Boko Haram attacks, as the Cameroonian military largely withdrew from the north to focus on fighting the Ambazonian separatists. More than 30,000 people in northern Cameroon fled to Chad after ethnic clashes over access to water between Musgum fishermen and ethnic Arab Choa herders in December 2021. The President of Cameroon
10500-452: The course of the 2010s, the internationally unrecognized secessionist state called Ambazonia gained increasing momentum in its home regions, resulting in the ongoing Anglophone Crisis in Cameroon. The main economic activities of Central Africa are farming, herding and fishing. At least 40% of the rural population of northern and eastern Central Africa lives in poverty and routinely face chronic food shortages. Crop production based on rain
10625-529: The crossroads between West Africa and Central Africa, it has been categorized as being in both camps. Cameroon's population of nearly 31 million people speak 250 native languages, in addition to the national tongues of English and French, or both. Early inhabitants of the territory included the Sao civilisation around Lake Chad and the Baka hunter-gatherers in the southeastern rainforest. Portuguese explorers reached
10750-513: The crust: a plane where rocks have moved past each other. When rocks on one side of a fault rise relative to the other, it can form a mountain. The uplifted blocks are block mountains or horsts . The intervening dropped blocks are termed graben : these can be small or form extensive rift valley systems. This kind of landscape can be seen in East Africa , the Vosges and Rhine valley, and
10875-596: The definition since the 1970s. Any similar landform lower than this height was considered a hill. However, today, the United States Geological Survey concludes that these terms do not have technical definitions in the US. The UN Environmental Programme 's definition of "mountainous environment" includes any of the following: Using these definitions, mountains cover 33% of Eurasia, 19% of South America, 24% of North America, and 14% of Africa. As
11000-524: The direction of the National Anti-Corruption Observatory . There are several high corruption risk areas in Cameroon, for instance, customs, public health sector and public procurement. However, the corruption has gotten worse, regardless of the existing anti-corruption bureaus, as Transparency International ranked Cameroon 152 on a list of 180 countries in 2018. President Biya's Cameroon People's Democratic Movement (CPDM)
11125-460: The dry season and in semiarid areas such as in central Asia. Alpine ecosystems can be particularly climatically sensitive. Many mid-latitude mountains act as cold climate refugia, with the ecosystems occupying small environmental niches. As well as the direct influence that the change in climate can have on an ecosystem, there is also the indirect one on the soils from changes in stability and soil development. The colder climate on mountains affects
11250-523: The economies of mountain communities, with developments focused around attractions such as national parks and ski resorts . Approximately 80% of mountain people live below the poverty line. Most of the world's rivers are fed from mountain sources, with snow acting as a storage mechanism for downstream users. More than half of humanity depends on mountains for water. In geopolitics , mountains are often seen as natural boundaries between polities. Mountaineering , mountain climbing, or alpinism
11375-428: The effect disappears. Precipitation in highland areas is not increasing as quickly as in lowland areas. Climate modeling give mixed signals about whether a particular highland area will have increased or decreased precipitation. Climate change has started to affect the physical and ecological systems of mountains. In recent decades mountain ice caps and glaciers have experienced accelerating ice loss. The melting of
11500-455: The event they are charged with high treason or harming national security. Cameroon is viewed as rife with corruption at all levels of government. In 1997, Cameroon established anti-corruption bureaus in 29 ministries, but only 25% became operational, and in 2012, Transparency International placed Cameroon at number 144 on a list of 176 countries ranked from least to most corrupt. On 18 January 2006, Biya initiated an anti-corruption drive under
11625-433: The feature makes it either a hill or, if higher and steeper, a mountain. Major mountains tend to occur in long linear arcs, indicating tectonic plate boundaries and activity. Volcanoes are formed when a plate is pushed below another plate , or at a mid-ocean ridge or hotspot . At a depth of around 100 km (60 mi), melting occurs in rock above the slab (due to the addition of water), and forms magma that reaches
11750-525: The first millennium BCE. Trade and improved agricultural techniques supported more sophisticated societies, leading to the early civilizations of West Africa: Sao , Kanem , Bornu , Shilluk , Baguirmi , and Wadai . Around 2500 BCE, Bantu migrants had reached the Great Lakes Region in Central Africa. Halfway through the first millennium BCE, the Bantu had also settled as far south as what
11875-498: The glaciers, permafrost and snow has caused underlying surfaces to become increasingly unstable. Landslip hazards have increased in both number and magnitude due to climate change. Patterns of river discharge will also be significantly affected by climate change, which in turn will have significant impacts on communities that rely on water fed from alpine sources. Nearly half of mountain areas provide essential or supportive water resources for mainly urban populations, in particular during
12000-757: The government suppresses the freedoms of opposition groups by preventing demonstrations, disrupting meetings, and arresting opposition leaders and journalists. In particular, English-speaking people are discriminated against; protests often escalate into violent clashes and killings. In 2017, President Biya shut down the Internet in the English-speaking region for 94 days, at the cost of hampering five million people, including Silicon Mountain startups. Freedom House ranks Cameroon as "not free" in terms of political rights and civil liberties. The last parliamentary elections were held on 9 February 2020. Cameroon
12125-513: The incumbent president, has led the country since 1982 following Ahidjo's resignation; he previously held office as prime minister from 1975 onward. Cameroon is governed as a unitary presidential republic . The official languages of Cameroon are French and English, the official languages of former French Cameroons and British Cameroons . Christianity is the majority religion in Cameroon , with significant minorities practising Islam and traditional faiths . It has experienced tensions from
12250-517: The independence of Cameroon. The National Assembly makes legislation. The body consists of 180 members who are elected for five-year terms and meet three times per year. Laws are passed on a majority vote. The 1996 constitution establishes a second house of parliament, the 100-seat Senate . The government recognises the authority of traditional chiefs, fons, and lamibe to govern at the local level and to resolve disputes as long as such rulings do not conflict with national law. Cameroon's legal system
12375-421: The kingdom. His son Naweej expanded the empire further and is known as the first Lunda emperor, with the title Mwata Yamvo ( mwaant yaav , mwant yav ), the "Lord of Vipers". The Luba political system was retained, and conquered peoples were integrated into the system. The mwata yamvo assigned a cilool or kilolo (royal adviser) and tax collector to each state conquered. Numerous states claimed descent from
12500-480: The lakes and floodplains, or to the savannas further to the south. In the 2000–01 period, fisheries in the Lake Chad basin provided food and income to more than 10 million people, with a harvest of about 70,000 tons. Fisheries have traditionally been managed by a system where each village has recognized rights over a defined part of the river, wetland or lake, and fishers from elsewhere must seek permission and pay
12625-409: The mid-1980s to late 1990s as a result of international economic conditions, drought, falling petroleum prices, and years of corruption, mismanagement, and cronyism . Cameroon turned to foreign aid, cut government spending, and privatised industries. With the reintroduction of multi-party politics in December 1990, the former British Southern Cameroons pressure groups called for greater autonomy, and
12750-712: The oil-rich Bakassi peninsula. Cameroon and Nigeria share a 1,000-mile (1,600 km) border and have disputed the sovereignty of the Bakassi peninsula. In 1994 Cameroon petitioned the International Court of Justice to resolve the dispute. The two countries attempted to establish a cease-fire in 1996; however, fighting continued for years. In 2002, the ICJ ruled that the Anglo-German Agreement of 1913 gave sovereignty to Cameroon. The ruling called for
12875-570: The peninsula was left to Cameroon two years later, in 2008. The boundary change triggered a local separatist insurgency , as many Bakassians refused to accept Cameroonian rule. While most militants laid down their arms in November 2009, some carried on fighting for years. In February 2008, Cameroon experienced its worst violence in 15 years when a transport union strike in Douala escalated into violent protests in 31 municipal areas. In May 2014, in
13000-527: The plants and animals residing on mountains. A particular set of plants and animals tend to be adapted to a relatively narrow range of climate. Thus, ecosystems tend to lie along elevation bands of roughly constant climate. This is called altitudinal zonation . In regions with dry climates, the tendency of mountains to have higher precipitation as well as lower temperatures also provides for varying conditions, which enhances zonation. Some plants and animals found in altitudinal zones tend to become isolated since
13125-629: The populations of Central Africa, serving as an important supra-regional organization in Central Africa. Archeological finds in Central Africa have been made which date back over 100,000 years. According to Zagato and Holl, there is evidence of iron smelting in the Central African Republic that may date back to 3000 to 2500 BCE. Extensive walled settlements have recently been found in Northeast Nigeria, approximately 60 km (37 mi) southwest of Lake Chad dating to
13250-411: The predominantly English-speaking Northwest and Southwest regions of the country have been campaigning for continued use of the English language in schools and courts. People were killed and hundreds were jailed as a result of these protests. In 2017, Biya's government blocked the regions' access to the Internet for three months. In September, separatists started a guerilla war for the independence of
13375-646: The question of independence became a pressing issue in French Cameroon. France outlawed the pro-independence political party, the Union of the Peoples of Cameroon ( French : Union des Populations du Cameroun , UPC), on 13 July 1955. This prompted a long guerrilla war waged by the UPC and the assassination of several of the party's leaders, including Ruben Um Nyobè , Félix-Roland Moumié and Ernest Ouandie . In
13500-523: The region via trade with the Portuguese at their ports at Luanda and Benguela . The maize and cassava would result in population growth in the region and other parts of Africa, replacing millet as the main staple. By the 16th century, the manikongo held authority from the Atlantic in the west to the Kwango River in the east. Each territory was assigned a mani-mpembe (provincial governor) by
13625-462: The sections of Architecture of Africa : Further information in the sections of History of science and technology in Africa : Mountain A mountain is an elevated portion of the Earth's crust , generally with steep sides that show significant exposed bedrock . Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than
13750-652: The shore of the lake. Over the next twenty years a large part of the Chad Basin was incorporated by treaty or by force into French West Africa . On 2 June 1909, the Wadai capital of Abéché was occupied by the French. The remainder of the basin was divided by the British in Nigeria, who took Kano in 1903, and the Germans in Cameroon. The countries of the basin regained their independence between 1956 and 1962, retaining
13875-677: The smallest administrative units. The three northernmost regions are the Far North ( Extrême Nord ), North ( Nord ), and Adamawa ( Adamaoua ). Directly south of them are the Centre ( Centre ) and East ( Est ). The South Province ( Sud ) lies on the Gulf of Guinea and the southern border. Cameroon's western region is split into four smaller regions: the Littoral ( Littoral ) and South-West ( Sud-Ouest ) regions are on
14000-607: The suppression of the UPC in 1971. Ahidjo's political party, the Cameroon National Union (CNU), became the sole legal political party on 1 September 1966, and on 20 May 1972, a referendum was passed to abolish the federal system of government in favour of a United Republic of Cameroon, headed from Yaoundé . This day is now the country's National Day , a public holiday. Ahidjo pursued an economic policy of planned liberalism , prioritising cash crops and petroleum development. The government used oil money to create
14125-514: The surface. When the magma reaches the surface, it often builds a volcanic mountain, such as a shield volcano or a stratovolcano . Examples of volcanoes include Mount Fuji in Japan and Mount Pinatubo in the Philippines. The magma does not have to reach the surface in order to create a mountain: magma that solidifies below ground can still form dome mountains , such as Navajo Mountain in
14250-477: The tallest mountain on land by this measure. The bases of mountain islands are below sea level, and given this consideration Mauna Kea (4,207 m (13,802 ft) above sea level) is the world's tallest mountain and volcano, rising about 10,203 m (33,474 ft) from the Pacific Ocean floor. The highest mountains are not generally the most voluminous. Mauna Loa (4,169 m or 13,678 ft)
14375-473: The temperate portions of the earth, those forests tend to be needleleaf trees, while in the tropics, they can be broadleaf trees growing in a rainforest . The highest known permanently tolerable altitude is at 5,950 metres (19,520 ft). At very high altitudes, the decreasing atmospheric pressure means that less oxygen is available for breathing, and there is less protection against solar radiation ( UV ). Above 8,000 metres (26,000 ft) elevation, there
14500-582: The then abundant Cameroon ghost shrimp . Today the country's name in Portuguese remains Camarões . Evidence from digs at Shum Laka in the Northwest Region shows human occupation in Cameroon dating back 30,000 years. The longest continuous inhabitants are groups such as the Baka ( Pygmies ). From there, Bantu migrations into eastern, southern and central Africa are believed to have occurred about 2,000 years ago. The Sao culture arose around Lake Chad , c. 500 CE , and gave way to
14625-644: The town of Fashoda . The kingdom was founded during the mid-15th century CE by its first ruler, Nyikang . During the 19th century, the Shilluk Kingdom faced decline following military assaults from the Ottoman Empire and later British and Sudanese colonization in Anglo-Egyptian Sudan . The Kingdom of Baguirmi existed as an independent state during the 16th and 17th centuries southeast of West-Central Africa Lake Chad region in what
14750-535: The two regions, while more than 87,000 have fled to Nigeria. Same-sex sexual acts are banned by section 347-1 of the penal code with a penalty of from 6 months up to 5 years imprisonment. Since December 2020, Human Rights Watch claimed that Islamist armed group Boko Haram has stepped up attacks and killed at least 80 civilians in towns and villages in the Far North region of Cameroon. The constitution divides Cameroon into 10 semi-autonomous regions, each under
14875-621: The valley of the Luapula River . The Lunda's western expansion also saw claims of descent by the Yaka and the Pende . The Lunda linked Central Africa with the western coast trade. The kingdom of Lunda came to an end in the 19th century when it was invaded by the Chokwe , who were armed with guns. By the 15th century CE, the farming Bakongo people ( ba being the plural prefix) were unified as
15000-419: The violence, many reportedly hiding in forests. Prisons are overcrowded with little access to adequate food and medical facilities, and prisons run by traditional rulers in the north are charged with holding political opponents at the behest of the government. However, since the first decade of the 21st century, an increasing number of police and gendarmes have been prosecuted for improper conduct. On 25 July 2018,
15125-703: The wake of the Chibok schoolgirls kidnapping , presidents Paul Biya of Cameroon and Idriss Déby of Chad announced they were waging war on Boko Haram , and deployed troops to the Nigerian border. Boko Haram launched several attacks into Cameroon, killing 84 civilians in a December 2014 raid , but suffering a heavy defeat in a raid in January 2015 . Cameroon declared victory over Boko Haram on Cameroonian territory in September 2018. Since November 2016, protesters from
15250-556: Was a revolt of the Maba people who established a Muslim dynasty. At first, Wadai paid tribute to Bornu and Durfur, but by the 18th century, Wadai was fully independent and had become an aggressor against its neighbors. Following the Bantu Migration from Western Africa, Bantu kingdoms and empires began to develop in southern Central Africa. In the 1450s, a Luba from the royal family Ilunga Tshibinda married Lunda queen Rweej and united all Lunda peoples. Their son Mulopwe Luseeng expanded
15375-696: Was centered in the Lake Chad Basin . It was known as the Kanem Empire from the 9th century CE onward and lasted as the independent kingdom of Bornu until 1900. At its height it encompassed an area covering not only much of Chad , but also parts of modern eastern Niger , northeastern Nigeria , northern Cameroon and parts of South Sudan . The history of the Empire is mainly known from the Royal Chronicle or Girgam discovered in 1851 by
15500-513: Was not as welcoming as Kongo; it viewed the Portuguese with great suspicion and as an enemy. The Portuguese in the latter part of the 16th century tried to gain control of Ndongo but were defeated by the Mbundu . Ndongo experienced depopulation from slave raiding. The leaders established another state at Matamba , affiliated with Queen Nzinga , who put up a strong resistance to the Portuguese until coming to terms with them. The Portuguese settled along
15625-584: Was the only legal political party until December 1990. Numerous regional political groups have since formed. The primary opposition is the Social Democratic Front (SDF), based largely in the Anglophone region of the country and headed by John Fru Ndi . Biya and his party have maintained control of the presidency and the National Assembly in national elections, which rivals contend were unfair. Human rights organisations allege that
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