Isolationism is a diplomatic policy whereby a nation seeks to avoid alliances with other nations. Most nations are not in a political position to maintain strict isolationist policies for extended periods of time, even though most nations have historical periods where isolationism is popular.

United States Isolationism

Main article: United States isolationism

Swiss isolationism

Switzerland has long been famous for its policy of defensively armed neutrality.

Chinese isolationism

See China.

Swedish isolationism

Sweden see: Swedish neutrality

Japan isolationism

See Japan.