There was a boom in fur trading in that time, more Posts were created, artists came and showed a vast wilderness, the Native American people received smallpox and three main tribes almost died off, and they were also placed into reservations. The military also made their presence known.
I’d say C . Trade deficits
Because he sees Japanese as disease from the outside but the communist is a disease from the inside and need to destroy before becoming an unstoppable force. Also the communist is a blocking of his plan to unify China in one flag to defeat the Japanese forces in the country.
It drastically reduced the Jewish population in Europe and surrounding areas