Isolationism As An Example Of Intervention

Isolationism: The United States declines to give aid to Hungarian patriots in 1849 is the example that I chose for the example for isolationism. Isolationism is when someone tries to become apart of a political affair. The revolution in the Hungarian kingdom grew into an independence war. At the that they asked for aid from the United States, we were in our civil war and unable to get them the things they needed. The United states did not want to involve themselves in other countries affairs.
Intervention:
Intervention is the involvement of foreign powers in another nation. The United States proposes the Open Door Policy in 1899 is what I think is an example for intervention. This policy means that all European nations and the United