Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.
it bans slavery
Authority gives a state the right to use its power
1. Math
2. Science
3. Literature
4. Philosophy
To phrase this in a sentence, you could say that the Ancient Greeks made important contributions to future civilization by their contributions to math, science, literature and philosophy.
Sparta was the largest city-state in Greece in 700 BC