What was Japan’s role in the war pre-1942

During World War II (1939-45), Japan attacked nearly all of its Asian neighbors, allied itself with Nazi Germany and launched a surprise assault on the U.S. naval base at Pearl Harbor. After Japan's surrender in 1945, he became a figurehead with no political power.

By June 1942, Japanese conquests encompassed a vast area of south-east Asia and the western Pacific. Under Japanese occupation, prisoners of war and enslaved civilians were forced to work for their captors in harsh and often inhuman conditions. A series of land battles were fought in China, Burma and New Guinea.

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answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

panamal canal treaty and iran hostage crisis hope this