In ancient Rome, a 'client kingdom' referred to a kingdom or people that appeared independent but was actually within the Roman Empire's sphere of influence and dependence.
Notes on verification
Definition matches Wikipedia and is corroborated by independent academic and reference sources, including Oxford Reference and scholarly literature on Roman patron-client relations. [tier=silver indep_score=0.833 clusters=3 claim_tier=everyday]
Sources
- Client kingdoms in ancient Rome (wikipedia)
- https://www.oxfordreference.com/display/10.1093/oi/authority.20110803095617744 (corroboration)
- https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1013&context=studiaantiqua (corroboration)
- https://historum.com/t/kings-on-strings-roman-client-kings-of-the-1st-century-ce.139976/ (corroboration)