Answer:
The devastation of the war led to Wilson's desire to establish the Fourteen Points that Americans were fighting for a moral cause and peace.
Explanation:
One of Wilson's main arguments when asking Congress to enter the war was that he was fighting because it was the moral thing to do, and that the United States was helping spread democracy throughout the world. Here's why the others are wrong, though:
2) is wrong because the United States were not in a disadvantage at all, Germany was, in fact, at the disadvantage
3) is wrong because Congress was not at all uneasy about joining the war, and they were strongly against Wilson's Fourteen Points
4) is wrong because the Fourteen Points have nothing to do with actual warfare, they came about afterwards
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