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List of sovereign states - Wikipedia
Sovereign state - Wikipedia
List of sovereign states by date of formation - Wikipedia
Lists of sovereign states and dependent territories - Wikipedia
Sovereign state - Simple English Wikipedia, the free encyclopedia
Sovereignty | Definition, Characteristics, Types, History, & Facts
List of sovereign states and dependent territories by continent
Sovereignty - Wikipedia
State | Definition, History, Figures, & Facts | Britannica
Sovereignty - Stanford Encyclopedia of Philosophy