• Serve as a candidate's campaign manager
• Give money to a chosen political party
• Displaying a candidate's signs
• Write a letter to the editor in support of a candidate

The actions listed above are all ways for American citizens to
A.
reform campaign finance.
B.
enforce the Bill of Rights.
C.
encourage a three party political system
D.
participate in election campaigns.

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change