isolationism vs. internationalism

the policy or doctrine of isolating one's country from the affairs of other nations by declining to enter into alliances, foreign economic commitments, international agreements, etc., seeking to devote the entire efforts of one's country to its own advancement and remain at peace by avoiding foreign entanglements and responsibilities.

the principle of cooperation among nations, for the promotion of their common good, sometimes as contrasted with nationalism, or devotion to the interests of a particular nation.

international character, relations, cooperation, or control.

(initial capital letter) the principles or methods of a communist or socialist International.