What was one cause of World War II?
trade
O economic depression
communism
oland

World War II was the deadliest military conflict in history.  Japan's invasion of Manchuria in 1931 signaled the war, but WWII began in earnest . Poland lost 5 million people or 16% of its total population. A second major cause was the Great Depression. It reduced global trade by 25%.  Communism looked attractive.

Explanation: I hope this was helpful to you

he supported the seperation of church and state. he also promoted religious tolerance.

the term is einsatzgruppen