laws. Journal of Contemporary History. Reinhard Heydrich, chief of the Sicherheitspolizei (SiPo; Security Police) and Sicherheitsdienst (SD; Security Service ordered on 21 September that Polish Jews should be rounded up and concentrated into cities with good rail links. In the midst of the Great Depression, the Nazis restored economic stability and ended mass unemployment using heavy military spending and a mixed economy. The Origins of the Final Solution: The Evolution of Nazi Jewish Policy, September. London: Constable and Company. Hitler's Foreign Policy 19331939: The Road to World War. SS formations committed many war crimes against civilians and allied servicemen. A third of the Einsatzgruppen members were recruited from Waffen-SS personnel. The party used symbols such as the Blood Flag and rituals such as the Nazi Party rallies to foster unity and bolster the regime's popularity. New York: Basic Books. Prominent feminists, including Anita Augspurg, Lida Gustava Heymann, and Helene Stöcker, felt forced to live in exile. The Saarland temporarily became a protectorate of France under the condition that its residents would later decide by referendum which country to join, and Poland became a separate nation and was given access to the sea by the creation. Poland In January 1934, Germany signed a non-aggression pact with Poland. The government took several measures to ensure the protection of animals and the environment.