Parti démocrate allemand
In 1918 he took part in establishing the German Democratic Party. In 1919 he was a delegate to the National Congress of Weimar and from 1921 to 1933 he was a member of the Reichstag. In 1920s Nuschke was at times the deputy chairman of the German Democratic Party. Nuschke was one of the founders of the republican Reichsbanner Schwarz-Rot-Gold and became the general secretary of the German State Party in 1931 (i.e. a successor to the German Democratic Party).