<P> The Free Soil Party was a short - lived political party in the United States active in the 1848 and 1852 presidential elections as well as in some state elections . A single - issue party , its main purpose was to oppose the expansion of slavery into the Western territories , arguing that free men on free soil constituted a morally and economically superior system to slavery . It also sometimes worked to remove existing laws that discriminated against freed African Americans in states such as Ohio . </P>
what was the ultimate objective of the free soil party platform
to oppose the expansion of slavery into the Western territories