How did the outcome of WW1 cause the outbreak of WW2? What other significant events led to WW2 and the United States entrance into WW2?

The treaty that was put on germany caused massive unrest in germany and thats why hitler was voted in to save germany. After Germany lost ww1 they had to pay massive amounts of money to the allies. The germans were treated unfairly and the french occupation of the Rhineland and many other reasons that caused ww2 to start. Many people wonder why people would vote for hitler, the reason for was unemployment, starvation and the great depression deprived Germany of its former German Prussian empire glory.

Explanation:

I am A historian