If u can help with any of these please just say the number and the word (i mark brainlist)

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

Ineed a example for this test plz reflect on your decisions in the cases of hazelwood v. kuhlmeier and t.m. v. state of florida using the following questions: did your opinion reflect the majority or minority opinion on each case? did you tend to favor loose or strict interpretation of the laws and rights for each case? what factors most influenced your decision and interpretations in each cas

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.