Question

During World War I, nationalist movements among Russian groups

were often encouraged by the Germans who occupied their territories
were responsible for extending Russia’s involvement in the war
were the main reason Russia entered the war
resulted in Germany’s final surrender

Answer 1

were often encouraged by the Germans who occupied their territories

Answer 2

During World War I, nationalist movements among Russian groups were often encouraged by the Germans who occupied their territories
The Russian nationalist movement was led by radical youngsters that have a very similar View with Hitler's Nazi. They aim to create a country that cohabited only by 'pure' races