yes...
John Foster Dulles came up with the domino theory which basically said that if one country fell to communism then the countries next to that would fall, and so on. America was worried that if the countries in southeast Asia, such as Vietnam, fell to communism then they would too. (However, china had fallen to communism but it hadn't affected any of its neighbours so this was a flaw in the theory).
Also, America didn't want southeast Asia to become communist because they needed to still have access to the raw materials and markets there, but they wouldn't be able to if the area became communist.
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The US maintained troops in Europe.
After world war II america had a vision of the world, a vision in which democracy should be practiced, to guarantee the freedom of everybody. As forcommunism, did not meet the visions of America, it became a great threat to the hopes of having a democratic atmosphere.
Hitler promise the Middle Class of Germany to restore the profits of small business and the value of savings, to end the Communist threat.
Stop communist aggression.
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