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.
When did seat belts become mandatory? A: Seat belts became mandatory in the United States on Jan. 1, 1968, by passage of federal law Title 49 of the United States Code, Chapter 301, Motor Vehicle Safety Standard. This law was for all vehicles, with the exception of buses. Continue Reading.