The economy took a downturn and wiped out much of FDR's progress.
The Japanese attack on Nanjing also known as the Nanjing massacre or Rape of Nanjing. Between 20,000 and 8,000 women were sexually assaulted and people killed
The fact that replacement soldiers, usually immigrants, could be hired or that a payment of $300 to the government could get a man out of the draft made the system very unpopular to many.
The Soviet Union wanted to spread its communist ideologies. By creating the Berlin Wall, Soviet Union prevented the possible escaping attempts that may have occurred by the civilians that were under control. The United States tried to prevent the spreading of communism by sending aid to countries that were in need. This performance was known as the Marshall Plan. In the end, Soviet Union was brought down because it was not as superior as the United States became. I hope this summed up an answer for you!