How did writing help unit the people of China?

Like Semitic writing in the West, Chinese script was fundamental to the writing systems in the East. Until relatively recently, Chinese writing was more widely in use than alphabetic writing systems, and until the 18th century more than half of the world’s books were written in Chinese, including works of speculative thought, historical writings of a kind, and novels, along with writings on government and law.

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.