Who met in Weimar to give shape to democratic republic ?

The Democrats, Socialists and Catholics opposed it. They met in Weimar to give shape to a democratic republic. The republic was not received well by its own people largely because of the terms it was forced to accept after Germany's defeat at the end of the First World War.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.