The thirteenth amendment was an extension of the policy begun by which of these? (a) the compromise of 1850 (b) the anaconda plan (c) the civil rights act of 1866 (d) the emancipation proclamation

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.