Sports betting has been legalized across the country in the years since the Supreme Court struck down a federal ban in 2018, but as more voters decide whether to legalize gambling, some lawmakers are attempting to add guardrails to the industry.

In Missouri, voters will take to the polls to decide whether to join the other 38 states, including the District of Columbia, that have legalized sports betting. With the rise of sports betting under the microscope, here is the state of play for sports betting in the country as voters in another state weigh in on the matter.