Which is a factor that likely explains the choice of the united states to be isolationist or internationalist in its foreign policy in the twentieth century?

The US’ being an isolationist or internationalist has to do something with the International law and organizations.  This had been a key element in foreign policy especially when the country deals with other economic powers such as Europe which they historically had conflicts with.

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.

monitor contract compliance and results of forestry activities to assure adherence to government regulations.  

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