 The Swedish non-alignment policy officially remained – Sweden rejected NATO membership but joined the United Nations and later EFTA.Tage Erlander (s) was Prime Minister from 1946 to 1969 – a period of exceptional economic and social prosperity, and generally low unemployment, but the housing situation posed problems as more and more people moved to the cities.Responding to the housing shortage, the government introduced the Million Programme – a national wave of suburban development with the aim of creating a million homes from 1965 to 1974.