What changes were made to the social huerarchy as a result of the meiji era

In 1871, Meiji abolished the hierarchy established by the shoguns. Thus, the samurai, forced from father to son to obey their master, the daimyo, following a strict code of honor, put themselves at the service of the emperor. The old fiefs were extinguished and personal privileges were eliminated through an agrarian reform and the reformulation of rural land tax legislation.

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.