What Was the Practical Result of Obergefell V

What was the practical result of Obergefell v. Hodges?

A) Advocacy groups could spend unlimited amounts on campaigns.
B) The University of Michigan was allowed to use race to determine admissions.
C) Limits were placed on banks and other financial institutions to avert high-risking lending.
D) States were allowed to opt-out of the Affordable Care Act.
E) Same-sex marriage was legalized nationally.