The conflicts between the Hutus and Tutsis resulted in an estimated half a million deaths in these two areas.

a) Rwanda and Nigeria

b) Nigeria and Sudan

c) Sudan and Rwanda

d) Rwanda and Burundi

The best and most correct answer among the choices provided by your question is the third choice or letter C. which is "Sudan and Rwanda". These areas are the most heavily affected from the conflicts between the Hutus and Tutsis which resulted in an estimated half a million deaths