"which country in subsaharan africa has spent the last few decades recovering from its former policy of apartheid, or racial separation"

The correct answer is South Africa

Also known as South African Republic, this country which is the southern most one on the continent had policies of apartheid implemented which were racist policies which had segregation and disenfranchisement as key things in order to ensure the power of the government was unusurped. As time went by the policies were removed because of high pressure from foreign countries.