The new laws come seven months after a gunman opened fire with a semiautomatic assault-style rifle at Marjory Stoneman Douglas High School in Parkland, Florida, killing 14 students and three adults, the second-deadliest mass shooting at a public school in U.S. history.
The rampage, which authorities say was carried out by a former student who was 19, has spurred unprecedented activism by victims and their families to prevent future gun violence and demanding stricter gun control across the United States.
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