In the 1870s, the Belgian King Leopold sent emissaries to establish trade with native Africans in the Congo. This single act began a flurry of imperialistic activity as the other nations of Europe, including: France, Great Britain, Germany, Spain, Germany, Italy, and Portugal.
Berlin Conference
To avoid conflict with one another in Africa, European leaders met in Berlin, Germany. With little regard or representation for native Africans, the European powers set about carving up Africa according to the following guidelines:
By 1900, the only areas of Africa remaining independent were Liberia and Ethiopia.
resource: http://regentsprep.org/Regents/global/themes/imperialism/africa.cfm
Resources Concerning African Countries Controlled by Imperialist Powers