noun
Monroe Doctrine; Monroeism
Historical U.S. foreign policy opposing European intervention in the Americas.
モンロー主義は19世紀のアメリカ外交の基本方針だった。
The Monroe Doctrine was the cornerstone of 19th-century American foreign policy.
From the name of U.S. President James Monroe (モンロー) and 主義 (doctrine, principle).