noun
Political doctrine advocating the annexation of territories based on shared ethnicity or historical claims. Used in academic and political contexts.
民族統一主義は、時に国境紛争の原因となる。
Irredentism sometimes causes border disputes.
Also translates as irredentism, but 民族統一主義 emphasizes ethnic unity, while 領土回復主義 focuses on territorial recovery.
Compound of 民族 (ethnic group), 統一 (unification), and 主義 (doctrine). A calque of the English term 'irredentism'.