The term isolationism does not adequately describe the reality of americas relationships with other nations during the period from washington's farewell address in

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 the America did not remain isolated because it involved itself in several battles with its opponents, and  expanded westwards, fought battles with Mexico, and Spain, and enacted several doctrines that implied interventionism. Isolation was simply a guiding principle,or ideology that the new nation never employed in specific interests situations.

Possess private property.