World War II World War II but generally favoured the Axis. His greatest collaboration with Germany was the sending of volunteers to fight on the Eastern Front. In July 1937, Japan captured the former Chinese imperial capital of Peking after instigating the Marco Polo Bridge Incident, which culminated in the Japanese campaign to invade all of China. The Soviets quickly signed a non-aggression pact with China to lend materiel support, effectively ending China's prior co-operation with Germany. From September to November, the Japanese attacked Taiyuan, engaged the Kuomintang Army around Xinkou, and fought Communist forces in Pingxingguan. Generalissimo Chiang Kai-shek deployed his best
Nazi crimes against the Polish nation Nazi crimes against the Polish nation Crimes against the Polish nation committed by Nazi Germany and collaborationist forces during the invasion of Poland, along with auxiliary battalions during the subsequent occupation of Poland in World War II, consisted of the systematic extermination of Jewish Poles and the murder of millions of (non-Jewish) ethnic Poles. The Germans justified these genocides on the basis of Nazi racial theory, which depicted Jews as a constant threat and regarded Poles and other Slavs as racially inferior "Untermenschen". By 1942 the Nazis were implementing their plan to kill every Jew in German-occupied Europe, and had