They we're rivals of the sea and the land in the new world.
It set a post war objective of democratization and liberalization of eastern Europe countries.
by the second conference, however, Stalin had already reneged on the plan and had started establishing satellite communist states in the region, which ultimately destroyed relation and brought about mistrust among the allies.
I am not going to answer in a paragraph of 125 words, but I will give you the answer to the first question; The United States didn't want another country to fall to communism. They officially got involved after the attack of the Gulf of Tonkin (U.S destroyers were stationed there and a radio came in that said they had been fired upon by North Vietnamese forces). (45 words BTW).
