William the Conqueror was important because he established feudalism in Europe.
France was the least prepared country for war at the start of WW2 because they had a small army and been totally obliterated in WW1
The most likely answer is B) <span>Americans became more determined to free countries from communism. </span>
If you're talking about WWI then their military was restricted heavily, they had war reparations, and all of this was topped off with out of control debt and inflation. Essentially, everyone was mad and poor.
