He took office while the nation was in the depths of the great depression
I don't know my friend I will ask others
The United States assumed that since the USSR was attempting to spread communism into Asia, countries around the main target would fall as well - the Domino Effect.
The United States fought to prevent the spread of communism by interfering in countries such as Vietnam and Korea - however, both outcomes were unsuccessful or did little to nothing.
Yes, they were correct as once Vietnam fell to communism so did Cambodia and Laos.
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The Catholic Church suppressed many ideas of the Scientific Revolution and they even excommunicated Galileo for saying that the earth revolved around the sun