Answer:
A very long time ago, I'd say 1400's-1500's or even longer before that.
Adam Smith, he was the first to write on the concept of a free market economy, the basis of Capitalism.
"Chivalric Code" <span>was a code of behavior romanticized by medieval poets, since this was the going "code" of honor and conduct for knights of the era. </span>
The correct answer is Sophocles. He wrote Oedipus Rex and is considered by many to be the greatest writer of tragedies ever, having written not only Oedipus Rex, but also Antigone.