"granting all their mistakes, the radical governments were by far the most democratic the south had ever known. they were the only governments in southern history to extend to negroes complete civil and political equality, and to try to protect them in the enjoyment of the rights they were granted."

The radical republican governments in the south protected and extended black people's civil rights, which led to the reconstruction of the american legal and political system.

Explanation:

The south extended the civil liberties of black people after the civil war. This led to a redefinition of what it means to be an American citizen. The republican party issued new legislation in order to extend the rights of black people, allowing black men to vote and partake in american civil life. These new meaures etended the power of the republican party.

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."