Answer:
B) lawsuits challenging the constitutionality of same sex marriage bans
Step-by-step explanation:
In most states same-sex marriage was forbiden prior to the resolution of the Supreme court ruling it unconstituntional, this happened on June 26th 2015, and the supreme court ruled that all states shouldallow and respect the rights that marriage grants to couples that are married, including those same sex couples, in all states and all around the country.