Which is an example of a primary source? an encyclopedia article about a subject
a diary entry from a witness to an event
a textbook chapter about an important topic
a government report summarizing extensive research

Me! why was marbury v. madison such an important case? a. it confirmed that the supreme court was more powerful than congress but less powerful than the president b. it confirmed the authority of the supreme court to review a law in to determine whether or not that law is constitutional. c. it confirmed the authority of congress to increase or decrease the power of the supreme court. d. it gave the supreme court the power to confirm federal judges.