Multiple system atrophy is a complex condition that is likely caused by the interaction of multiple genetic, environmental, and lifestyle factors. Some of these factors have been identified, but many remain unknown.
Mandatory Seatbelts According to the U.S. Department of Transportation, in July 1984, New York State passed the first mandatory seatbelt law in the nation, followed by New Jersey, Illinois, Missouri, Michigan, and New Mexico.
EVOLMENT OF SEAT BELTS.. AND IMANDATORY SEAT BELT INSTALLTIONS LAW MANDATORY FOR SEAT BELTS IN 1968. The first seat belts were not installed in cars by auto manufacturers. Early automobiles did not go particularly fast, and there were relatively few cars on the road. As the number of motor vehicles increased, so did the amount of danger.