Asked by history

which of Hitler's aggressive actions triggered World War II?
a. invasion of Poland
b. annexation of Austria
c. invasion of the Rhineland
d. demand for the Sudetenland

help...
Answered by Ms. Sue
It was probably the event on Sept. 1, 1939.

http://www.historyplace.com/worldwar2/timeline/ww2time.htm
Answered by Ms. Sue
Yes.
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