The people in the west were able to profit through trade with the east made possible by:

1. the federal government interventions.
2. transportation improving with stage and pony express connections.
3. ship connections from san francisco or los angeles.
4. wagon trains

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final