South Africa, Morocco, and Ghana were now independent.
This is what the Preamble stated:
We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America.
1. The rise of Hitler do to the German's hatred for the treaty.
2. World War 2 would have eventually happened (even without Hitler)
3. Creating the Weimar Republic which made the great depression even worse for Germany.
I think it's mostly because the promise of wealth and power
hope this helps