Answer:
isolationism
Explanation:
this is because the Soviet Union Is isolating countries or provinces closest to it.
An example....um well ok "One day there was a guy a and he got lost and then another guy found him after a huge amount of time searching" sorry if this didn't help!
Nationalism usually does provoke violence and rebellions within nations. A great example of such a thing was the assassination of Archduke Franz Ferdinand by a Bosnian Serb due to the fact he was a major Serbian Nationalist and believe Bosnia should be apart of Serbia.
The correct answer is the last option: <span>The treaty ending World War I caused great resentment in Germany.</span>