Before the USS Maine exploded, the United States was trying to expand as a world power. Thus, many Americans blamed Spain for the explosion of the USS Maine because it gave them a reason to declare war on Spain and take control of Spanish territory in the Pacific and Caribbean.
So I’m WW1 first it started out with two countries which would fight later on they get allies to fight with them
Answer:
i say 2.
Explanation:
because you don't use direct quotations from research sources because that copyright :)