The had little use for trade or the arts and devoted their entire society to being soldiers and preparing for war.

Spartans.

Explanation:

Unlike the Athenians who loved the arts and prided themselves on their artists, Spartans had little use for it. Instead, they turned towards their military craft, preparing soldiers for wars that they had a lot of. Since they were located on the plain with a lot of fertile soil, they didn't have much use for trade either. That's why all of their efforts went into creating amazing soldiers who were a force to be reckoned with.

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

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.