GENERAL KNOWLEDGE

Detailed explanation-1: -World War II proved to be the deadliest international conflict in history, taking the lives of 60 to 80 million people, including 6 million Jews who died at the hands of the Nazis during the Holocaust.

Detailed explanation-2: -It began when Nazi Germany unleashed ferocious attacks across Europe-but it spread to the Soviet Union, China, Japan and the United States. Cities were destroyed by air raids, the atom bomb was dropped on Japan and six million Jews were killed in the Holocaust. Over 50 million soldiers and civilians died.

Detailed explanation-3: -World War II The war pitted the Allies and the Axis power in the deadliest war in history, and was responsible for the deaths of over 70 million people. Known for its genocidal campaign against the Jewish people, the war was also responsible for the deaths of more than 50 million civilians.

Detailed explanation-4: -World War II Operation Meetinghouse, on the night of 9–10 March 1945, is the single most destructive bombing raid in human history. Of central Tokyo 16 square miles (41 km2; 10, 000 acres) were destroyed, leaving an estimated 100, 000 civilians dead and over one million homeless.