The second world war was the war created by Hitler HOW? Clarify with facts

I think 1 reason is conquering Europe because of political reasons

Explanation:

Germany’s invasion of Poland in 1939 led to the outbreak of World War II, and by 1941 German forces had occupied much of Europe. Hitler’s virulent anti-Semitism and obsessive pursuit of Aryan supremacy fueled the murder of some 6 million Jews, along with other victims of the Holocaust. After the tide of war turned against him, Hitler Killed Him self in a Berlin bunker in April 1945.

c. wright mills's sociological imagination suggest investigating to explain this increase?

answer; taking detailed notes during the interview;