What is the legal seatbelt requirement in Missouri for occupants of a vehicle?

Answer: C — Everyone must wear a seatbelt

In Missouri, the law mandates that all occupants of a vehicle must wear seatbelts, ensuring a higher level of safety for everyone inside the vehicle. This requirement applies to both drivers and passengers, regardless of their seating position. The intention behind this law is to reduce the risk of injuries in the event of an accident, as seatbelts are proven to be effective in protecting occupants by keeping them securely in their seats and reducing the likelihood of being ejected from the vehicle during a crash. The incorrect options suggest varying degrees of seatbelt use that do not comply with Missouri's legal standards. For instance, stating that only drivers or only children must be restrained would leave many individuals unprotected in situations where seatbelts could save lives. Likewise, the notion of seatbelt use being optional contradicts the law intended to promote the safety of all vehicle occupants effectively.