After the end of World War I Eckstein worked with the Deutsche Liga für den Völkerbund (German League of Nations) and set up regional groups of it, including in her home town Coburg.[1] There she was very active in trying to keep the uprise of National Socialism at bay. Eckstein also helped establishing a local society of the German Democratic Party, an adult education centre, a community club, and a society for literature and music. In addition to that, Eckstein was active in the Protestant church, and was a member of the state synod.[2]