Which european powers played roles in colonizing africa during the 1800s and 1900s?

The Berlin Conference of 1884-1885 set the ground rules for the colonization of Africa by European powers. The event helped to ease tensions that were growing as a result of the competition for resources in Africa. It had a dramatic and lasting negative impact on the nations of Africa. The Berlin Conference involved 13 European powers and the United States. Africa was split up which resulted in Britain and France gaining the majority of the land and the rest being controlled by the other nations involved. Africans were viewed and were represented as savages.

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besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.