A few major inventions that were invented after World War II were the following:
- Computers. These were invented in 1971 by Ed Roberts.
- Medical penicillin. This was invented in 1941 by a group of medical professionals.
- Jet engines. In the closing months of the war, jet engines came to the force. The first technology was developed in 1939 to 1945, and is now used all over the globe.
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.