During the post-war period, the USSR was able to control Poland and Hungary by A setting up puppet governments there. B keeping Soviets troops stationed there. C supporting their democratic governments. D allowing people to elect their own officials.

because mexico wanted to choose a centralized location

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

answer:

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