Seat belt that required a particular technical approach would rapidly become dated as motor manufacturers would tool up for a particular standard which could not easily be changed. For example, in 1969 there were competing designs for lap and three-point seat belts, rapidly tilting seats, and airbags being developed. But as countries started to mandate seat belt restraints the global auto industry invested in the tooling and standardized exclusively on seat belts, and ignored other restraint designs such as air bags for several decades As of 2016, seat belt laws can be divided into two categories: primary and secondary. A primary seat
History of Czechoslovakia powers of France and the United Kingdom left Czechoslovakia without effective allies. Exposed to hostile Germany and Hungary on three sides and to unsympathetic Poland on the north. After the acquisition of Austria, Czechoslovakia was to become Hitler's next target. The German nationalist minority in Czechoslovakia, led by Konrad Henlein and fervently backed by Hitler, demanded a union of the predominantly German districts of the country with Germany. On 17 September 1938 Hitler ordered the establishment of Sudetendeutsches Freikorps, a paramilitary organization that took over the structure of Ordnersgruppe, an organization of ethnic-Germans in Czechoslovakia that had been dissolved by