The meaning of  Lebensraum  “living space”) comprises policies and practices of settler colonialism which proliferated in Germany from the 1890s to the 1940s. First popularized around 1901, Lebensraumbecame a geopolitical goal of Imperial Germany in World War I (1914–1918) originally, as the core element of the Septemberprogramm of territorial expansion. The most extreme form of this ideology was supported by the Nazi Party (NSDAP) and Nazi Germany until the end of World War II.