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
Compulsory education also, balance the education differences between rural and urban areas. The compulsory education in each country depends on what the politic system the country has and how well is the education system developed in the country. On the other hand, in the republic countries, being educated is necessary and important for every citizen, and there are strict laws about compulsory education (Camp 181). Compulsory education was not unheard of in ancient times. However instances are generally tied to royal, religious or military organization—substantially different from modern notions of compulsory education. Plato's "The Republic" (c. 424–c. 348 BCE) is credited with