Which of the following best explains the dred scott case and how it affected the debate about slavery? dred scott was a slave owner who learned his slave was living as a free man in a northern state. he argued that the slave should be returned to him to continue working on his plantation. he won his case which caused a revolt between citizens in the north and south. dred scott was a slave who argued that because his owner brought him into a free area, he should be free. the supreme court ruled he was "property," and citizens could bring property wherever they chose. this decision enraged anti-slavery activists. dred scott was a white abolitionist who murdered a group of pro-slavery men. he was tried in court in a southern state and found guilty. citizens in northern states argued for his release, and the resulting battles between the states led to "bleeding kansas." dred scott was a slave arrested in boston and forced to board a ship back to his owner in virginia. boston citizens purchased his freedom in a northern court, and he was allowed to remain in boston as a free citizen. this decision enraged slave owners in the south.