Explain how the Cholas established their supremacy and contributed to the welfare of their people.

King Karikāla defeated Cheras and Pāṇḍyas, establishing Chola dominance in south India. Built Kallanai, a Kāverī dam, irrigating the delta, known as the "rice bowl." Supported agriculture, ensuring food security and prosperity for millions. Patronised Sangam literature, enriching Tamil poetry and cultural heritage. Silappadikāram, set in Puhār, reflects their thriving trade and justice.