The effort to repeal a previous state law banning same-sex marriage passed.
The vote in support of a new law allowing same-sex couples to marry in the state of Maryland was approved by a slim margin.
The measure to legalize the use of marijuana for medical purposes was ahead by nearly 2-to-1.
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.
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.
Initial returns showed voters agreeing by a wide margin to change the state's medical marijuana law for a more restrictive version.
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.