Q: 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.
Frank Hodder proposed that the man who initiated this legislation was motivated by the prospect of organizing support for a transcontinental railroad that began in his home state. This legislation was opposed by Theodore Parker in a speech in which he cautioned that "Spain. . . stands there a perpetual warning for all of us," while Charles Sumner's notable "landmark" speech was delivered in opposition to this act. Josiah Miller and R. G. Elliott organized the Sandbank Convention as a consequence of the passage of this act, which also stimulated the activity of the Emigrant Aid Company. Among the fallouts from this bill were repeated conflicts with "border ruffians" who sought to influence decisions in the territories addressed by this bill, as well as multiple candidate constitutions, including a pro-slavery one drawn up on Lecompton, in one territory. Introduced by Stephen Douglas, for ten points, identify this 1854 act which repealed the Missouri Compromise and established the principle of popular sovereignty in its namesake western states.
A:
History