Why was being nomadic an advantage to the Mongols? A They were more familiar with the countryside. B) They could escape enemy attacks quickly. © They were accustomed to moving around from place to place. D) All of the above

racism and segregation.

answer; /// i believe that the correct answer is (d)the huang he river valley;

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."

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )