This is called neutrality.
disillusionment with World War I and its results
The United States proclaimed its neutrality and isolationist policies while Europe was being split up and fighting.
Foreign Policy: Mainly focused on the policy of containment, the Idea of keeping Communism where it was. The United States was using its political and economic influence in Europe to try and lessen the power of Communist forces.Domestic Policy: Supporting business as well as expanding the middle class became popular ideas. We also saw a rise in popularity of Suburbs and a growth in the white-collar work force.There are books written on this topic. The Cold War was the defining feature of American foreign policy for decades. The Soviet Union was believed to be an imperialist threat to the entire world. The US and the Western world needed to prevent the USSR from rolling across countries the same way they rolled across Eastern Europe after World War II. *The Cold War reinforced the perdominant US policy of paranoia and the ideal of "if we don't do it first they will". The proliferation of nuclear arms during this period has since amplified the notion that America is better than all other countries in the world, and should have "first dibs", e.g. when saying that they should secure America's right to occupy space, beyond all of what is normal acceptable patriotism. *
America's enemies during WWII was the Axis which was made up of Germany, Japan, and Italy and the various fringe elements supporting them.
The foreign weapons policy.
The u.s policy during the first world war was policy of isolation
Likely the least effective policy supporting world peace in the 1920s was allowing Germany to fall into such a serious depression that only a tyrant like Hitler could pull them out. That policy made war with Germany almost inevitable.
obey orders
France
usa
Neither. Norway were neutral during World War 1.
All military targets.
central powers
the cash and carry policy had the military draft more men
Scorch earth policy.
disillusionment with World War I and its results
The policy of Appeasement .