Because they shared the same resources that were highly useful in running a kingdom.
He was born in Africa. " was born in Africa in the area of present-day Nigeria and was the son of a chieftain."
Africa
The spanish mainly used africans brought over from Africa. The rarely used natives to the land because they would fight back and knew the area well so were prone to escape.
American voters were particularly interested in local issues. Indians on the Great Plains are often fiercely resisted white settlement in the area. After the Civil War ethnic groups often gathered in a particular area. The United States was also still lagging behind European industrial nations.
SamoaFrom Wikipedia.com:Increasing German commercial enterprises in the area saw U.S. interests begin operations at the excellent harbor of Pago Pago on Tutuila in 1877.Tensions caused in part by the three separate interest groups led to the Samoan Civil Wars. After the second Samoan civil war there was no longer any pretense whereby Samoans could govern themselves and the islands were divided in 1899 by the three involved powers. The Tripartite Convention gave control of the islands west of 171 degrees west longitude to Germany, the eastern islands to the United States (present-dayAmerican Samoa) and Great Britain to be compensated with other territories in the Pacific and West Africa.
Africa is roughly 30 million Kms2, the earth is roughly 510 million kms2, so about 5.9% of the total surface area. As a fraction of the total land area of the earth which is roughly 149 million kms2 , then it is 20.3%
roughly half the surface area of africa
Maybe Both kingdoms came about in roughly the same area and there are clear links between the two civilisations despite the centuries between them
Africa Asia North America
Mali and Burkina Faso are roughly in that area and both are landlocked.
The small landlocked country surrounded by South Africa and Mozambique is Swaziland. Its total land area is 17,364 km2, of which roughly 1% is water.
Asia, Africa, and North America.
The participation of the kingdoms of western Africa in providing slaves for the slave trade made them wealthy also there is gold in that area.
Asia and Africa
Germany. Soviet union. South Africa
The three major kingdoms in West African history were Ghana, Mali, and Songhay. These kingdoms shares some of the same land. All of there economies revolved around the gold trade. They were all instrumental in establishing the religion of Islam in the area.
The land area of the United States is 9,857,306 square kilometers, or 3,805,927 square miles. The land area of Africa is about 30,370,000 square kilometers, or 11,730,000 square miles. So, if you divide the area of Africa by the area of the United States, you get 3.08. Thus, the US is about one third the size of Africa in terms of land area.