The oldest known is watson brake
Because of China's isolation by natural barriers, there was not much trade outside of China, so China's economy was agriculture
Salutary neglect
Salutary neglect is an American history term that refers to the seventeenth- and eighteenth-century British Crown policy of avoiding strict enforcement of parliamentary laws meant to keep American colonies obedient to England. It was informed by the believe that if the colonies were not strictly monitored they would flourish.
