Why did the united states enter the WW2? A)to stop germany from invading poland
B)to stop hilter from becoming chancellor of germany
C)to prevent italy from converting to facism
D)to protect their allies Britain and france

D)to protect their allies Britain and france

Explanation:

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."

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)