What new information did archaeologists learn after tue discovery of kennewick man

can i know the event and the date

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."

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

dont kniw hope this hepl you