Client kingdoms in ancient Rome functioned as a form of protectorate, controlled or influenced by Rome despite nominal independence.
Notes on verification
Well-corroborated by multiple independent scholarly sources (Oxford Reference, Roman history academic sources) that align with the standard historical understanding of client kingdoms as quasi-protectorates under Roman hegemony.
Sources
- Client kingdoms in ancient Rome (en.wikipedia.org)
- https://www.oxfordreference.com/display/10.1093/oi/authority.20110803095617744 (oxfordreference.com)
- https://romanhistory.org/cultures/roman-client-kingdoms (romanhistory.org)
- https://www.academia.edu/Documents/in/Client_Kings (academia.edu)