Yes, If Adolf never ordered his army generals to prepare to treble the size of his supply for 300,000 men. The german military could have not expanded. Causing the holocaust to never happen.
The main political unit that emerged in the world is A. the state. A state is defined as a territory or land in which a defined number of constituents is ruled over a governing body that follows and implements a system without following necessarily a superior power. I think this is powerful enough.
I think more people voted in favor of Roosevelt, because he felt the government should be spending time to help people who were in economic trouble. More people at that time blamed Hoover for the Great Depression crisis.