How did the south kill reconstruction?

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

Andreus vesalius is known for being the first scientist to provide detailed and accurate information about human anatomy. his knowledge of human anatomy came from dissecting human bodies. which statement best shows why andreus vesalius’s discovery was important during the scientific revolution?

What did the u.s. want to build on the land acquired through the gadsden purchase?