What may have been the most detrimental aspect of the redrawing of territorial boundaries in Africa by Europeans?

A. The territorial boundaries were drawn solely to benefit powerful African kingdoms.
B. The territorial boundaries redistributed natural resources, and the wealth that with them.
C. The territorial boundaries ignored different tribal, language and religious boundaries, creating internal tension.
D. The territorial boundaries displaced hundreds of thousands of Africans who were not allowed to live in European territories.