Which treaty established the principle of state sovereignty? By Rabia Anum ✅ Fact Checked 📊 Difficulty Hard 📅 Last Updated 13 Aug 2026 A. Utrecht B. Vienna C. Westphalia D. Versailles Check Answer 💡 Explanation: The Peace of Westphalia (1648) is credited with establishing the modern system of sovereign nation-states. 📚 Topics: Miscellaneous Nation 🎯 Exams: CSS GEN PMS
