How did the dred scott v. sanford us supreme court case intensify the fight for abolition? a) the high court ruled in favor of sanford under the condition that he will free dred scott upon his death. b) the high court ruled in favor of dred scott granting him freedom; thus persuading society that slaves have rights. c) the high court ruled slaves are property and therefore have no rights; thus strengthening the fight for abolition. d) the high court ruled the issue of slave rights is a reserved power and thus the states solely have authority to grant rights to slaves.