The correct answer is 2. Isolationism
Following world war 1, United States didn't want to mess with European affairs because they understood how bad the war was and didn't want to participate in it again. That's why when Wilson wanted to join the League of Nations they declined and the US remained on its own.
When a political party comes to power, its leaders tend to place many of their faithful followers into important public offices. The use of public offices as rewards for political party work is known as the "Spoils System." The system is popular in numerous nations.
These states run a huge expenditures in their efforts to rebuild. This involved large gov projects that yielded little return value
