Japan during World War I close of the war. The prosperity brought on by World War I did not last. Although Japan's light industry had secured a share of the world market, Japan returned to debtor-nation status soon after the end of the war. The ease of Japan’s victory, the negative impact of the Showa recession in 1926, and internal political instabilities helped contribute to the rise of Japanese militarism in the late 1920s to 1930s. Japan during World War I Japan participated in World War I from 1914 to 1918 in an alliance with Entente Powers and played an important role in securing the
German camps in occupied Poland during World War II German camps in occupied Poland during World War II The German camps in occupied Poland during World War II were built by the Nazis between 1939 and 1945 throughout the territory of the Polish Republic, both in the areas annexed in 1939, and in the General Government formed by Nazi Germany in the central part of the country "(see map)". After the 1941 German attack on the Soviet positions in eastern Poland, a much greater system of camps was established, including the world's only industrial extermination camps constructed specifically to carry out the Final Solution to the Jewish Question. German-occupied