One of the Most Critical Issues Facing Postcolonial Africa Was

One of the most critical issues facing postcolonial Africa was which of the following?

A) That the continent had few, if any, significant economic resources and dividing up regions made this worse.
B) The countries' boundaries had been artificially drawn by the colonial powers and were neither reflective of human geography nor defendable.
C) The continent lacked sufficient population in order to either produce or consume manufactured goods and therefore to support a national economy.