Please clarify which policy you are referring to.
Germany, Italy, France, hungary, Romania, Russia, Japan, and austrailia.
The U.S. policy of not being involved in world affairs.
America did get involved
The U.S. became involved after the bombing of Pearl Harbor.
1940
In 1914.
Antarctica was not involved in World War I, because there was no nation-state on the continent to become involved.
To stay neutral and not get involved.
The sinking of the Lusitania caused the US to get involved.
pearl harbor
(SHitler was a phsyco
World War2