The correct answers are B) Warring tribes were forced together, resulting in many ethnic wars and D) European colonizers stripped much of the wealth away from Africa.
Two effects of European imperialism in Africa were the following: Warring tribes were forced together, resulting in many ethnic wars and European colonizers stripped much of the wealth away from Africa.
European superpowers fight for their presence and dominance in the African continent. The term "Scramble for Africa" meant that these powerful nations really fought and divided the territories to please their needs. From 1881 until 1914, occupied the African territory and exploited their natural resources, used slaves, and colonized mostly 85 to 90% of Africa.