Lebensraum (German pronunciation: [ˈleːbənsˌʁaʊm] , lit. 'living space') is a German concept of expansionism and Völkisch nationalism, the philosophy and policies of which were common to German politics from the 1890s to the 1940s. First popularized around 1901, Lebensraum became a geopolitical goal of the German Empire in World War I...