**first to andwer gets ** (i need asap) did the sumer civilizations exist during the paleolithic, neolithic, or bronze age? provide evidence for your answer.

The Sumer Civilization existed in the Bronze Age. The Sumer Civilization was the first known civilization to start adding tin and copper to tools and weapons in the fourth millennium BCE, bringing an end to the stone age.

the main reason the us senate rejected the treaty of versailles was because "european nations wanted to punish germany"

d(:

me and mark as brainliest.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.