let's come down from generalities to particulars
1Evolution — Evolution (History and Scientific Foundation) † Catholic Encyclopedia ► Evolution (History and Scientific Foundation) The world of organisms comprises a great system of individual forms generally classified according to structural… …
2international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …