PLEEEEEAAASEEE HELP! This question is very broad. I have to write 2-3 paragraphs on it but you do not have to. I will give BRANLIEST!!!!

Choose two of the nations from the list below and compare them in regard to how World War II changed the course of history for those nations.

Choose From: Germany, Japan, Soviet Union, United Kingdom, or the United States

Your answer must include:
1. the issues and/or reasons the nation was involved in World War II
2. major events that happened related to that country during the war
3. how the nation changed at the end of the war