He aided the allies with supplies, and later joined the war, with now America involved, the allies now can push back on Germany, while Japan started to lose much more thanks the emborgo that America imposed on them, and America was also constantly attacking them, in conclusion, Roosevelt really impacted the result of the war.
he doesn't like it, he thinks its to harsh on the germen people, and it kind of was. they went massively in debt and the germen currency was basically worthless
They did not have self-government. This meant that they could not govern themselves and make their own laws. They had to pay high taxes to the king. Hope it helpss