American intervention
Refers to political, military, or economic intervention by the United States. Often used in news or historical contexts.
米の介入がなければ、この紛争はもっと長引いただろう。
Without American intervention, this conflict would have dragged on longer.
Compound of 米 (べい, abbreviation for アメリカ) and 介入 (かいにゅう, intervention).