The most obvious reason why the United States decided to e infiltrater Vietnam wis because ith would give a blow to communism and to fthew years backUSSR after the Second World War had ended it gave a blow to communism and. tThe USSR and China began to gain grounds coupling weak countries, although. wWhen they entered the war, what they said they stood for was their interest in the áarea, which wereas directed towards the mining wealth aof minding. tThey tried to hide it by saying they wanted to “ensure the right to peace and freedom.” but that However, there wereas no apparent reasons for why the US to entered a war thatey had no chance of winning . Especially if it was not for power, and in the prowcer,ss creatinged a great depression and disappointmend t in itshe population.