Answer:
The Soviet Union was a Communist country while the USA was a Capitalist country, in efforts to stop the communism from spreading, the United States President Truman offered help to any country that was under military threat, with hopes that this would prevent Communism from spreading.
I think that if more people resisted there would be a lot more people who were slaughtered, if they slaughtered that many Jews they wouldent have stop if there were a different group of people resisting. I think one of the main factors was that the groups they were killing weren't blond haired, and blue eyed.