With early voting now underway, and the primary just two weeks away, opponents made a last-minute push to gain support.
"Early voting is an integral time period where you can swing the topic. So we are doing this in celebration of early voting starting in the last couple of days and will push us through to the primary on May 8," Amendment One opponent, Catherine Constantinou said.
Same-sex marriage is already outlawed in North Carolina.
To me, it's not a question of gay marriage. It's a question of are we going to use the constitution to write discrimination into the fundamental law of the state," Sara Terry of Durham People's Alliance said.While opponents rally against the proposed amendment, Amendment One supporters are also ramping up their efforts to keep marriage between one man and one woman.
On Friday, the conservative Christian group Return America held a pro-Amendment One rally on the Halifax Mall in downtown Raleigh.
Early voting continues through Saturday, May 5, with the primary being held on Tuesday, May 8.