What country did Hitler first gain control of in his German expansion?

Between 1921 and 1925 Adolf Hitler developed the belief that Germany required Lebensraum ('living space') in order to survive. The conviction that this living space could be gained only in the east, and specifically from Russia, formed the core of this idea, and shaped his policy after his take-over of power in Germany in 1933.

Hitler moved to extend German power in central Europe, annexing Austria and destroying Czechoslovakia in 1938-1939. Other territorial demands followed.Explanation:

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