How can a historian determine wether or not a claim is valid? a. determine if the person who made it has his own point of view. b. check to see that it is supported by historical evidence. c. check to see if it was made by a well-known historian. d. determine whether or not the claim has been made before.

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.