"The Great Gatsby" by F. Scott Fitzgerald.

Thousands of years ago, the first human civilizations were formed. Their creation was caused by a gradual joining of nomadic tribes. The size of these connected groups became finally too big for a free movement and so people decided to settle in one place. Permanent staying in one region changed the rules that governed the lives of nomads. While traveling in the wastes, they were independent. Living in collectives, imposed limits on them. Some of them were written down and called laws. The others were considered as obvious for every member of the group, which from that very moment became s…