Which works demonstrate that the chavin civilization was highly organized

How did the manhattan project to end the war? a scientists working on the project built large bombers. b scientists working on the project discovered uranium. c scientists working on the project developed the atomic bomb. d scientists working on the project shared secrets with axis scientists.

How did the voting rights act and the 15th amendment combine to improve individual rights for african americans

What happened as agriculture became entrenched in the south ?