 Complete the following phrase:  The roots of the republic lay in the German Empires defeat in the First World War and the social tensions that came to a head shortly thereafter. From this chaos erupted the German Revolution of 1918. At the end of October 1918, German sailors began a series of revolts in Kiel and other naval ports. In early November, these disturbances spread civil unrest across Germany. On 7 November 1918, the first anniversary of the 