Did Rhodesia have aphartreid (I hope I spelled it correctly) or some other kind of institutional racism? For example, could blacks vote and was there segregation?
Why had Rhodesia lost the bush war? Was it a political or military defeat? And why did the country transfer into a dictatorship under Mugabe?
There's always more to be said, but while you're waiting, take a look at these past threads:
Race relations in Rhodesia and Was Rhodesia as racist as Apartheid South Africa. by /u/khosikulu