I think the answer for that question is d
The great rift valley was a remarkable evolution for apes.This was the place where human evolution started. In the rift valley, the apes adapted to diverse environments which had a major impact in the evolution of the humankind.There are various fossils that have been collected stating the sedimentation of the rivers in the Eastern Africa.
The answer to this question is true
The answer is B since the treaty of Versailles placed harsh punishments on the Germans which led directly to world war 2