This resolution matters because it formally expresses the U.S. Senate's position on a critical international human rights issue. While it doesn't enact new laws or sanctions, such a condemnation from a major world power like the United States can exert diplomatic pressure on the Iranian government and influence global public opinion.

If this resolution becomes law, it means the U.S. Senate officially stands with the Iranian people against their government's repression, signaling a clear U.S. foreign policy stance. If it doesn't pass, the U.S. Senate would not have made this formal statement, which could be perceived as less engagement or concern regarding the human rights situation in Iran, potentially emboldening the Iranian regime or discouraging protestors.