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The Nullification Crisis ended when:

​​A.​President Andrew Jackson personally led the U.S. Army in an ​​​​​invasion of South Carolina

​​B.​President Jackson arrested John C. Calhoun and tried him for ​​​​​treason

​​C.​Henry Clay engineered a compromise providing for the gradual ​​​​reduction of those tariffs opposed by Southerners

​​D.​Henry Clay engineered a compromise providing for the gradual ​​​​increase in those tariffs favored by Southerners