What is self-determination and how is it related to the spread of nationalism?

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.