11september2001 1878-1953 1939-1945 afschrikking(polemologie) air aire airqualitymanagement amerikaanseburgeroorlog ballisticmissiledefenses british buitenlandsepolitiek calidad campaigns communicatie communicationpolicy cooperacióninternacional coopérationinternationale couched'ozone deterrence(strategy) diplomacy diplomatichistory diplomaticrelations droit easternfront foreignrelations general gestion globalwarminginternationallaw government history international internationalcooperation internationalrelations joseph kernwapenpolitiek kernwapens korea(north) lawandlegislation militaryleadershipstalin nuclearnonproliferation nuclearweapons onderhandelingen ozonelayerdepletion ozonosfeer participation politicalscience politicsandgovernment pollution publiekeopinie qualité réduction sovietunion tweedewereldoorlog unitedstates usa worldwar