Review the case. dred scott v. sandford which most accurately explains how this supreme court ruling acted as a catalyst for the civil war? 1) it established a policy under which slaves were denied the right to purchase their own freedom and that of their relatives. 2) it declared that the due process clause prevented the intervention of the federal government in issues involving states. 3) it permitted slave owners to bring slaves into the territories, which ignited antislavery advocates’ fears that the territories would become slave states. 4) it enacted the property clause, which prevented states from owning slaves and enraged free african americans living in proslavery states. don't just guess (whoever is correct, i will put as the brainiest)