noun
war advocacy; jingoism; bellicose argument
Refers to the position or argument that favors war or military action. Often used in political or historical contexts.
彼の主戦論は党内で激しい議論を引き起こした。
His war advocacy sparked fierce debate within the party.
新聞は政府の主戦論を批判する社説を掲
The newspaper ran an editorial criticizing the government's bellicose argument.
反戦論 is the opposite position: anti-war argument or pacifism.
Compound of 主戦 (shusen, 'pro-war') + 論 (ron, 'argument, theory'). The exact historical derivation is uncertain, but it follows a common pattern for ideological positions.