Answer: lebensraum

AnswerCrossword Clue
LEBENSRAUMExpansionist's slogan
LEBENSRAUMExtra space deemed necessary
lebensraum(German) room to live (and, if necessary, expand); specif territory claimed as necessary for economic growth (as by the Nazis)
lebensraumThe territory that a state or nation believes is needed for its natural development, esp. associated with Nazi Germany