Many countries looked toward a more cooperative world by creating league of nations
The first and the last indicate it's a reliable source.
The main reason why we know more about Hammurabi's Code than other early forms of law is because Hammurabi's Code was the first (or at least one of the first) codes of law to be permanently inscribed on stone instead of issued on paper or through word of mouth.
Explanation:
Geocentric model of planets was proposed by Ptolemy. It stated that all sun, planets and stars revolve round the earth in circular orbits.