Final answer:
Isolationism is a political policy where a country minimises its international involvement to focus on its domestic affairs and security. It often involves less participation in international treaties, alliances, and wars.
Step-by-step explanation:
Isolationism is a political policy involving a country's decision to limit its involvement in international affairs or relationships. This ideology is mainly focused on preserving the nation's own security and domestic affairs. Isolationism doesn't mean total non-engagement with other countries but often results in reduced participation in international treaties, alliances, and interventions. Typical manifestation of isolationism includes a country's refusal to intervene in an armed conflict between two other countries. It is important to note that isolationism may vary from country to country and from one historical period to another.
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