Advocates and child marriage survivors gather on the steps of Massachusetts' State House chanting "18 no exceptions," and "they're girls not brides," as they call for an end to child marriages in Boston, Massachusetts on September 22, 2021. - Currently 44 states in the US allow for marriage under the age 18 and the group states that according to a study they did that between 2000 and 2018 some 300,000 children, as young as 10, were legally married in the US. (Photo by Joseph Prezioso / AFP)