What made the United States come to the conclusion that Stalin planned on eventually fighting a war with capitalist nations?

wanting to turn more and more countries communist.

Explanation:

After world War 2 Stalin created the Iron curtain and stated he wanted to turn countries communist. this led to the United States developing containment and the start of the cold War.

in the declaration of independence, thomas jefferson announced that every human being has “certain unalienable rights,” among which are those to “life, liberty, and the pursuit of " hope i