Isolationism is a foreign policy which combines a non-interventionist military policy and a political policy of economic nationalism (protectionism). In other words, it asserts both of the following:

1. Non-interventionism – Political rulers should avoid entangling alliances with other nations and avoid all wars not related to direct territorial self-defense.

2. Protectionism – There should be legal barriers to control trade and cultural exchange with people in other states.

Isolationism is not to be confused with the non-interventionist philosophy and foreign policy of the libertarian world view, which espouses unrestricted free trade and freedom of travel for individuals to all countries. This "libertarian isolationist" view is best defined as a policy of non-participation in foreign political relations, but free trade and affability to all people.
Our founding fathers asked that we follow non-interventionism. Don't confuse Isolationism with Non-interventionism.
by The Lone Heretic October 18, 2008
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foreign policy of the US throughout most of its existence, especially in the early 20th century.

simply put: don't meddle with foreign countries

related: washington's farewell address, monroe doctrine, etc.
isolationism > imperialism
by squee1 August 15, 2005
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The Founding Fathers told us to follow NONINTERVENTION you fucking idiot.
"Peace, commerce, and honest friendship with all nations — entangling alliances with none." -Thomas Jefferson

The Founding Fathers followed noninterventionism, not isolationism.
by david smith, jr. March 26, 2008
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When a country stays to themselves
Keep to yourself Napoleon, that is called isolationism!(Chad kill yourself)
by Stoops May 17, 2023
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