It is true that the Gempei War was between China and Japan.
China vs Japan.
No. China was not involved in Pearl Harbor. Japan attacked the United States in Pearl Harbor. China, however, had been at war with Japan for several years when Japan attacked the United States.
none
an exclusive right to trade with China (maybe)
China was involved since 1937 as a result of the Japanese incursion into Manchuria. China was also involved in a Civil war at the time and since the Nationalists and the Communists rarely cooperated, Japanese victory was magnified.
Yes. Japan fought against the US, Britain, and China in World War 2.
Japan.
The First or Second Sino-Japanese War.
The China Incident was basically the beginning of the second war between China and Japan in 1937. This incident was the bombing of a major bridge in China.
Certainly before Germany; Japan was already invading China in 1933...Hitler came to power in 1933.
President Roosevelt feared that the war between Japan and Russia would close the door to US trade with China. In China, the US competed with other nations for access to Chinese consumers.