It was an economic, political, and a moral concern. Free Soilers wanted the land for their own purposes. Expansion of slave states would mean expansion of a Sen

It was an economic, political, and a moral concern. Free Soilers wanted the land for their own purposes. Expansion of slave states would mean expansion of a Senate group that would be in favor of reducing taxes and tariffs, an issue that almost caused a civil war to happen 40 years prior.