Why Japan attacked Pearl Harbour?

On the day of 7th December 1941 was the day when Japan raided Pearl Harbor. The plan that Japan had was a good plan, which removed the battleships of the U.S.A, which were a threat towards the Japanese Empire's southward expansion. There is a lot of reasons why Japan raided U.S.A. The first reason was because of trade and empire. By the late 1930's Japan and USA were the major industrial and …

…By the time USA had rebuilt its navy Japan would have finished conquering South East Asia, gained all the resources it needed and would be too strong for America to attack. To encourage America to believe that the Japanese were not going to attack immediately, Tojo continued to negotiate with the American government right up until the first Japanese planes took off from their aircraft carriers and did not issue a formal declaration of war.