Who was not effectively freed by the emancipation proclamation?

a. enslaved people in states loyal to the union such as maryland, kentucky, and delaware
b. enslaved people in parts of rebel states under union control
c. enslaved people in rebel states under confederate control
d. the emancipation proclamation did not effectively free any of these people.

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.