a. In the Obergefell v. Hodges ruling, what were the constitutional arguments for requiring states to license and recognize marriages between two people of the same sex? (Focus on Justice Kennedy's majority opinion)

b. In the Obergefell case, what were the constitutional arguments for NOT requiring states to license and recognize marriages between two people of the same sex? (Focus on the dissenting opinions of Justices Roberts, Scalia, Thomas and Alito)

c. After achieving marriage equality, what are the next legal battles that gay rights advocates plan on fighting? What challenges do they face in these upcoming battles?