The reasons that African seemed "unconquerable to Europeans," who were bent on imposing European imperialism on Africa, include the following:
A. African diseases that Europeans were not immune to.
B. Resistance from African tribal leaders.
C. Too great a distance from Europe.
European Imperialism refers to the efforts of various European countries and kingdoms to control the political, economic, and social affairs of Africans during the last two centuries.
Thus, the reasons that Africans seemed "unconquerable to Europeans," who were bent on imposing European imperialism on Africa include Options A, B, and C.
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