PLEASE HELP! I really need help! This is due very soon

The defense of marriage act did not do the following: question 3 options: a) prohibited states from performing same-sex marriages. b) allowed states not to recognize same-sex marriages performed elsewhere. c) excluded polygamy from the definition of marriage. d) prohibited the federal government from recognizing same-sex marriages.

Powers of states the first letter of the answer is r.

In the united state, a system for interaction between unmarried men and woman that casual dating with the purpose of marriage was called