Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This Vermont native's political positions included head of House and then Senate committees on territories, in which capacity he gave a speech telling opponents of expansion that "you cannot fetter the limbs of this young giant. " His support for expansion led him to favor repeal of the Missouri Compromise and he answered the Dred Scott decision by supporting popular sovereignty in what became known as the Freeport Doctrine. For 10 points, name this man who ran for president against John Bell, John C. Breckenridge and Abraham Lincoln, against the last of whom he had held a famous series of debates in Illinois.
History