What was the significance/importance of the Thirteenth, Fourteenth, and Fifteenth Amendments getting passed at the conclusion of the Civil War

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

the answer is prolly b

hello no i dont sorry.

yes because hdhhdhdjhdhd