How does gay marriage connect with federalism and the constitution?

who knows?How does gay marriage connect with federalism and the constitution?
The federal government has no power to meddle with it, and individuals need to deal with it locally. Personally, I think the government should give us all civil unions and the various religious bodies should each determine their own sacraments, with only religious impacts.How does gay marriage connect with federalism and the constitution?
The federal government passed the so-called ';Defense of Marriage'; act so that states can refuse to recognize same-sex marriages performed in other states.