1、 U.S.History SENIOR CONTRIBUTING AUTHORS P.SCOTT CORBETT,VENTURA COLLEGE VOLKER JANSSEN,CALIFORNIA STATE UNIVERSITY AT FULLERTON JOHN M.LUND,KEENE STATE COLLEGE TODD PFANNESTIEL,CLARION UNIVERSITY PAUL VICKERY,ORAL ROBERTS UNIVERSITY OpenStax Rice University 6100 Main Street MS-375 Houston,Texas 770
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