write a summary in about 100-150 words highlighting the critical significance of ideas like colonialism, imperialism, aggressive nationalism & Nazism that created grounds for World War II in 1939.

Start-  World War II began in Europe on September 1, 1939, when Germany invaded Poland. Great Britain and France responded by declaring war on Germany on September 3. The war between the U.S.S.R. and Germany began on June 22, 1941, with Operation Barbarossa, the German invasion of the Soviet Union.

Death- An estimated total of 70–85 million people perished, or about 3% of the 1940 world population (est. 2.3 billion). Deaths directly caused by the war (including military and civilian fatalities) are estimated at 50–56 million, with an additional estimated 19–28 million deaths from war-related disease and famine.

Length- World War II was the biggest and deadliest war in history, involving more than 30 countries. Sparked by the 1939 Nazi invasion of Poland, the war dragged on for six bloody years until the Allies defeated Nazi Germany and Japan in 1945.

End- World War II ended with the unconditional surrender of Germany in May 1945, but both May 8 and May 9 are celebrated as Victory in Europe Day (or V-E Day). 14, 1945, signing their surrender on Sept. 2. The Japanese surrender occurred after the United States dropped atomic bombs on Hiroshima and Nagasaki on Aug.

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