U.S. participation in NATO was a break with tradition, since the United States for the first time set itself up to automatically get involved in foreign conflicts--something that was very unnerving for a country of people who for most of American's history had been very isolationist.
Answer:
Coinciding with the end of World War I, a socialist revolution broke out in Germany. The German Revolution of 1918-1919 resulted in the creation of the left-leaning Weimar Republic, which lasted until Adolf Hitler's Nazi Party seized power in the early 1930s.
Explanation:
that is from a paper i had to write about it so hope it helps!
Hitler and his armies were denied oil from the middle east, cutting off their supply.
Mussolini would have more control on political and military power.