1956- 20thcentury africanamericanbasketballplayers basketball david david(1956-) discriminationinsports dukebluedevils(basketballteam) history northcarolina northcarolinatarheels(basketballteam) racerelations regionalismandsports seattlesupersonics(basketballteam) shields socialaspects socialconditions sociologicalaspects sportsrivalries unitedstates