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.
1965 â Europe requires front seat belts. Front seat belts become a requirement for cars manufactured in Europe. In the U.S., an estimated 50,000 people die in car wrecks. The U.S. Senate passes a 2-year, $320 million highway beautification bill. Less than one percent of those funds go to highway safety studies.