noun
gunboat diplomacy
A political term referring to the use of naval power to intimidate or coerce another nation. Often used in historical or geopolitical contexts.
19世紀の砲艦外交は、弱い国に対する強国の圧力手段だった。
Gunboat diplomacy in the 19th century was a means of pressure by powerful nations against weaker ones.
Compound of 砲艦 (gunboat) and 外交 (diplomacy), likely a calque from English 'gunboat diplomacy'.