Final answer:
Isolationism is a foreign policy associated with a country staying out of foreign entanglements and keeping to itself.
Step-by-step explanation:
Isolationism is a foreign policy associated with the idea of a country staying out of foreign entanglements and keeping to itself. It was a popular stance in U.S. foreign policy from the late 18th century until the early 20th century. The goal of isolationism was to avoid military alliances and conflicts with other countries.