Which party in the 1860 election stood for no expansion of slavery into the territories

Whig Party was a political party of the US and was famous during the Jacksonian Democracy. It operated from 1833 to 1856 and was formed for opposing the policies of President Andrew Jackson. They favored the programs of modernization and during its existence two of the party members became presidents.  Millard Fillmore was the last Whig to hold the nation's highest office. The party was destroyed due to its stand on slavery. After 1852 its members either quit the politics or changed the party.  Its voter base was shifted to Republican and Democratic party.  The party declined after 1856. They stood for no expansion in the slavery.