Àwọn Àmì-ìwé Tí A Fẹ̀

"Socially, the once-flexible class system evolved into a rigid Varna System. The society was strictly divided into four tiers: Brahmins at the top, followed by Kshatriya warriors, Vaishya traders, and Shudra laborers. This period also saw the emergence of the Gotra system, which organized society according to lineage."