They didn't invite her to parties because they believed she was an adulteress. Most of the cabinet resigned when Jackson tried to force their wives to accept Peggy Eaton. Because of this controversy, Jackson's vice president, John C. Calhoun, resigned and Martin Van Buren was chosen to be the new vice president. Jackson disliked Native Americans and agreed with citizens who wanted to take over lands previously owned by them. Jackson decided to make the Indians leave their homelands and settle west of the Mississippi. In 1830, he signed the Indian Removal Act. This forced thousands of Native Americans to resettle. When Georgia passed laws that required the Cherokees to move to the west, they were challenged in the courts. The court cases were Cherokee Nation v. Georgia and Worcester v. Georgia. In 1838, after Jackson left office, the U.S. army forced the Cherokees to leave Georgia. This was called the "trail of tears." Jackson favored states' rights if it didn't lead to disunion. In 1828, when South Carolina called the Tariff of Abominations unconstitutional, the nullification theory was created, in which each state could declare a federal law null and void. Not only did South Carolina nullify the tariff of 1828, but it also nullified another tariff in 1832. The collection of tariffs within South Carolina was forbidden. Jackson told the secretary of war to