U.S. foreign policy shifted away from "isolationism" to international involvement, since the US started to steer away from Washington's idea that it should remain as detached from foreign issues as possible.
I know for sure Russia, I believe Poland...
Are you talking about the French and Indian War, or what war are you asking about?
The US wanted to eliminate the sphere of influence because U.S. politicians and businessmen worried about foreign nations controlled economic development so they supported Open Door Policy.
