Even before world war ii started in 1939, japan had already invaded which of these areas? alaska india south america china

The correct answer is CHINA.

The Empire of Japan invaded the Chinese province of Manchuria in 1931 and established the puppet state of Manchukuo. Anyway, due to the policy of territorial expansion that Japan had kept on conducting, most of the territory of Manchuria and of the Korean Peninsula had already been under the control of the Japanese Empire since 1985, since the First Sino-Japanese war.

africa

explanation:

norsemen from northern countries had made earlier journeys