How did the Weimar Republic survive during the period 1919-23?

Uprisings - Spartacist uprising - January 1919, Karl Leibkneckt and Rosa Luxemburg, aim to see the cancellation of the National Assembly, wanted to see all power transformed to soldier and worker councils, took to the streets in demonstrations, government used the freikorps to put down the revolt. Kapp Putsch, Wolfgang Kapp and General Ludendorff, 1920, aim was to overthrow the government and restore the monarchy, happened due to the treaty of Versailles, army reduced to 100000 men, used 5000 men to…