Respuesta :
There were a significant amount of military dictatorships in Africa during the 1970s. These, for instance, were Nigeria, Ethiopia, ect. I am highly sure that military governments were the most present in Africa during this time period. Therefore, D is probably the right answer.
SOS:
The answer is military!!
Although most post-colonial governments began as multiparty systems, political unrest led to the establishment of one-party and military governments.
Hope this helps!!