slavery within the Louisiana Purchase territories by prohibiting slavery in states north of 36°30′ latitude, and Polk sought to extend this line into the newly acquired territory. However, the divisive issue of slavery blocked any such legislation. As his term came to a close, Polk signed the lone territorial bill passed by Congress, which established the Territory of Oregon and banned slavery in it. Polk declined to seek re-election in the 1848 presidential election, and the 1848 election was won by the Whig ticket of Zachary Taylor and Millard Fillmore. Prophetically, Ralph Waldo Emerson quipped that "Mexico will poison us", referring to the ensuing divisions around whether the newly conquered lands would be slave or free. As of the 1848 election of Taylor, the issue was not yet apparent. Taylor was both a Whig and a slaveholder; though Whigs were increasingly anti-slavery, Taylor's slaveholding had reassured the South, and he won handily. Taylor made a key electoral promise that he would not veto any congressional resolution on slavery. Much to the horror of Southerners, however, Taylor indicated that true to his promise, he would not even veto the Wilmot Proviso if it were passed. Tensions accelerated quickly into the fall of 1849. Midterm elections worsened matters, as the Free Soil Party had gained 12 seats, which gave them a king-maker position in the closely divided House: 105 Whigs to 112 Democrats. After three weeks and 62 ballots, the House could not elect a speaker; the main issue was slavery in the new territories. The tumult of that period was severe, with a loaded revolver drawn on the floor of Congress, several fistfights between Northerners and Southerners, and then Senator Jefferson Davis challenging an Illinois representative to a duel. Southern representatives increasingly bandied around the idea of secession. Finally, the House adopted a resolution that allowed a speaker to be elected with a plurality, and elected Howell Cobb on the 63rd ballot. As James McPherson puts it: "It was an inauspicious start to the 1850's." Issues Three major types of issues were addressed by the Compromise of 1850: a variety of boundary issues, the status of territory issues, and the issue of slavery. While capable of analytical distinction, the boundary and territory issues were included in the overarching issue of slavery. Pro-slavery and anti-slavery interests were each concerned with both the amount of land on which slavery was permitted and with