How do minor parties select their nominees for office?

The "comity" provision of Article IV of the Constitution was designed to promote national unity by

a. outlawing government discrimination on the basis of race, ethnicity, and gender. b. prohibiting state governments from discriminating against citizens of other states in favor of their own citizens. c. asserting that the federal Constitution, and federal law generally, take precedence over state laws, and even state constitutions. d. claiming that powers not explicitly delegated to the federal government were reserved for the states.

The most important difference between interest groups and political parties is that only

a. political parties normally run candidates in elections. b. interest groups normally run candidates in elections. c. political parties conduct public opinion polls. d. interest groups conduct public opinion polls. e. interest groups attempt to persuade governments to adopt their policy preferences.