Poland, is the first country because they had wanted to get through Europe without being in too much conflict
Answer:
Sharpeville massacre, (March 21, 1960), incident in the Black township of Sharpeville, near Vereeniging, South Africa, in which police fired on a crowd of Black people, killing or wounding some 250 of them. It was one of the first and most violent demonstrations against apartheid in South Africa
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The answer would be that president Nixon resigned in 1974 after the Watergate Scandal.
He wanted continued control over Eastern Europe for his own benefits rather than for its people trying to influence other countries into becoming communist as opposed to democratic, this became know as the Iron curtain, the official division between USSR-communist and the US- democratic as the USSR tried to expand and gain more control.