The mid-1980s and early 1990s saw a resurgence in ballot initiatives, culminating in proposed state constitutional amendments in Oregon and Colorado not only to repeal existing anti-discrimination ordinances but to proactively prohibit the state and any local unit of government within the state from ever passing such an ordinance.
As the question of same-sex marriage has risen to greater prominence, opponents of such marriages have turned their attention to passing constitutional amendments barring individual states from legalizing same-sex marriages or recognizing such marriages performed in other jurisdictions.