noun, noun or participle which takes 'suru', transitive verb, intransitive verb
vassalization; turning into a vassal state
Refers to the process or act of making a country or region into a subordinate state. Can be used both as a noun and as a suru-verb (transitive or intransitive).
その条約によって、小国は大国に属国化された。
The small country was turned into a vassal state by the great power through the treaty.
属
Opposition to the policy of vassalization grew louder.