Subject(s): Jean bodin -- Mathanavikaranaprasthanam -- Caste system -- Christianity-Catholic -- Puritan revolution in England -- Hugo Grotius -- Thomas Forbes -- John Lock -- Montesquieu -- Slavery -- Rajaviruthwasidhanthagal -- Anti-monarchy theories from 16th century : Religious wars -- Religious Reform Movement -- Jean Bodin : Political Code, Citizenship, Nation and Government, autocracy, Theory of Revolution, -- Catholic and legal issues -- Hugo Grotius: Environment law , Political law -- puritan revolution theory : parliament party's political theories, Common wealth, Republican Contradiction theory -- Thomas Hobbes and his political philosophies -- Politics in Europe -- John Locke , English revolution, German theories, British theories, Italian theories -- Theory of freedom and slavery -- Theories regarding Climate and environment -- Social, economic and religious Policy -- മതനവീകരണപ്രസ്‌ഥാനം -- രാജാവിരുദ്ധസിദ്ധാന്തങ്ങൾ