1923- 1928- 20thcentury außenpolitik biography brzezinski collegeteachers criticismandinterpretationstanczak foreignrelations henry history intellectuals internationalrelations julian nationalsecurity philosophybrzezinski philosophykissinger politicalandsocialviewsbrzezinski sicherheitspolitik statesmen strategicaspects ua23 unitedstates unitedstatesnationalsecuritypoliciesofgovernment zbigniew