How did world war 1 contribute to the events leading up to world war 2

when world war one was over Germany was fined many hundreds of millions of dollars when the war was over the people needed help so the nazi party promised to bring former peace and prosperity to Germany.  

Explanation:

that is at least a simple explanation.  

d. direct

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.