USA HISTORY

Detailed explanation-1: -Hitler’s invasion of Poland in September 1939 drove Great Britain and France to declare war on Germany, marking the beginning of World War II. Over the next six years, the conflict would take more lives and destroy more land and property around the globe than any previous war.

Detailed explanation-2: -Origins of the War in Asia World War II began on July 7, 1937-not in Poland or at Pearl Harbor, but in China. On that date, outside of Beijing, Japanese and Chinese troops clashed, and within a few days, the local conflict had escalated to a full, though undeclared, war between China and Japan.

Detailed explanation-3: -China was a vital, but often forgotten, member of the Allies battling Japan-two years before the official start of World War II. China was a vital, but often forgotten, member of the Allies battling Japan-two years before the official start of World War II.

Detailed explanation-4: -In China, the war is most commonly known as the “War of Resistance against Japanese Aggression” (simplified Chinese: ; traditional Chinese: ), and shortened to the “Resistance against Japanese Aggression” (Chinese: ) or the “War of Resistance” (simplified Chinese: ; traditional Chinese: ).