After 1877, racial segregation became widespread< br />
in the south primarily as a result of the< br />
(1) decline of the ku klux klan< br />
(2) activities of the freedmen’s bureau< br />
(3) stationing of federal troops in the south< br />
(4) passage of jim crow laws

passage of Jim Crow Laws

Explanation: this happened during the times of Jim Crow and things only got worse.

would not cooperate with each other voluntarily.

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."