THE EFFECTS OF WORLD WAR I ON THE DEVELOPMENT OF DIPLOMACY THE EFFECTS OF THE EVENTS IN THE INTER-WAR PERIOD ON THE DEVELOPMENT OF DIPLOMACY THE EFFECTS OF WORLD WAR II ON THE DEVELOPMENT OF DIPLOMACY 1945-1955: DIPLOMACY IN THE FIRST YEARS OF THE COLD WAR 1955-1962:DIPLOMACY IN THE PERIOD OF UNSTABLE ANTAGONISM 1962-1979:DIPLOMACY IN THE DÉTENTE PERIOD 1979-1985:DIPLOMACY IN THE SECOND COLD WAR ERA 1985-1991:DIPLOMACY IN THE LAST YEARS OF THE COLD WAR