For instance , collective political efficacy among black Americans may have been enhanced by the growing number of black elected officials (Bobo Gilliam 1990 ) A generation has almost passed since the social activisms of the late 50 's and upheaval turbulent 60s and birth of modern day public black social movement . There are now thousands of black elected and appointed officials throughout the United States . Southern presidents have been elected to the White House since 1976 , both of whom received the...











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