(navy and the Luftwaffe (air force). In 1931, Himmler organised an SS intelligence service which became known as the Sicherheitsdienst (SD; Security Service) under his deputy, Heydrich. As head of state, Hitler became Supreme Commander of the armed forces. Dubai World Trade Centre in 1979, which is usually regarded as the first high-rise in the city. Women were encouraged to leave the workforce, and the creation of large families by racially suitable women was promoted through a propaganda campaign. Hitler decreed that the army would have to tolerate and even offer logistical support to the Einsatzgruppen the mobile death squads responsible for millions of deaths in Eastern Europewhen it was tactically possible to. "Nevertheless, the available evidence suggests that, on the whole, ordinary Germans did not approve. Who Benefits from Global Violence and War: Uncovering a Destructive System. Polska 19391945: straty osobowe i ofiary represji pod dwiema okupacjami (in Polish). The average work week was 43 hours in 1933; by 1939 this increased to 47 hours. By July 1933, radio station staffs were purged of leftists and others deemed undesirable. Enrolment at German universities declined from 104,000 students in 1931 to 41,000 in 1939, but enrolment in medical schools rose sharply as Jewish doctors had been forced to leave the profession, so medical graduates had good job prospects.