Russia practically collapsed during WWI, the Bolsheviks took power in 1917, they did not want to remain in the war effort. Some former territories belonging to the Russian Czarist empire became independent or were ceded to rivals. Germany was forced to relinquish Alsace and Lorraine and its colonies or colonial possessions in Africa and Asia. Germany had to pay huge reparations.
Yes. If they can justify the concern of public peace and safety as being a more immediate need than convenience of free speech expression at the time or place in question.