A measure to amend the state constitution to define marriage as a union of one man and one woman was shot down, with 1,485,606 voting against it and 1,379,572 voting for it, according to the Minnesota secretary of state's unofficial results.

Montana

Obamacare

By a 2-to-1 margin, voters approved a measure that prohibits federal and state government from requiring the purchase of health insurance, according to the unofficial results on the Montana secretary of state's website.

Medical marijuana

Initial returns showed voters agreeing by a wide margin to change the state's medical marijuana law for a more restrictive version.

Oregon

Marijuana legalization

A measure that would allow the commercial cultivation and sale of marijuana through state-licensed stores as well as unlicensed cultivation failed, according to a CNN projection.

Washington

Same-sex marriage

In a tight vote, a majority of Washington voters, 51.8%, cast ballots to "allow same-sex couples to marry, preserve domestic partnerships only for seniors, and preserve the right of clergy" to perform and recognize such marriages, according to unofficial results on the Washington secretary of state's website.

Marijuana legalization

A measure that would legalize and regulate the production, possession and distribution of marijuana for people age 21 and older passed, according to CNN projections.

Wyoming

Obamacare

A measure to amend the state constitution to give residents the right to make their own health care decisions passed by a wide margin, according to CNN estimates.