Reasons for the Japanese attacking the U.S

1. The U.S supports Britain and France, which areJapans enemies.

2. Political Reasons

3. U.S Pressures Britain to reopen Burma Road

4. Japanese military installations are moving at a very fast tempo

5. Economic Reasons

6. The U.S set an embargo of strategic materials on Japan

7. The U.S froze all assets to Japan. At the time, Japan got 80% of oil form U.S

8. As a result of the U.S freezing the flow of oil to Japan, the japanese had to use their reserves which would run out and they might have to halt all military actions.