America did deal with pretty few things in europe after WWI because Isolationism (president Wilson).
Germany, Austria (and other countries that originated from Austro Hungarian Monarchy) and Italy were forced to pay heavy fines to the victorious powers.

For example: France occupied whole of german industrial zone as restitution.
Austria and Germany would have paid back these fines until the end of the 20th century, if they had not been abolished after WWII

These fines were also a main reason for Hitler to get so powerful, because he used them as argument that it was necessary to get revenge upon france and other countries.It was in favor of letting Gemany off of reparations, because America entered the war late and didn’t suffer the majority of the losses Britain and France did. This was problematic because the other two demanded reparations of Germany to help payback the money, supplies, arms, equipment that they purchased from the US. Either way, the US was going to be paid, but since it didn’t supply much to Germany, they didnt demand much from them. This was a huge contributing factor to the rise of WWII and a reason the League of Nations was passed on by the Americans, even though it was their idea.

 

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