Kush was weakened by the loss of trade.
During the ensuing decades, the abolitionist movement grew in Northern states, and Congress regulated the expansion of slavery as new states were admitted to the Union. Britain banned the importation of African slaves in its colonies in 1807 and abolished slavery in the British Empire in 1833.
Answer:
Gave the world first democracy, they took the first scientific approach to develop medicine, they also helped develope geometry and other math
