Answer:
they were terrible for letting slavery happen
Explanation:
The main idea in Madison's federalist paper #51 is that checks and balances can and should be put in place in a federal government in order to keep any single branch from becoming too powerful.
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.