Joshua Rubenstein, author and associate at Harvard's Davis Center for Russian and Eurasian studies, details the relationship between Nazi Germany and the Soviet Union in the decade before World War II.
From the mid-1850s to the beginning of World War I, many Western nations were expanding into Asia. The "Age of Imperialism" was fueled by the Industrial Revolution in Europe and the United States, and it profoundly influenced nation building efforts in Japan and China. As the desire to exert regional strength grew, Japan also began to expand its colonial influence across East Asia.
Between 1933 and 1945, the Nazis established more than 40,000 camps for the imprisonment, forced labor, or mass killing of Jews, Sinti and Roma, Communists, and other so-called “enemies of the state." See full-sized image for analysis.