Original: K.A.N. Sastri, A History of South India p 387 The Hindu sects Saivism and Vaishnavism became dominant, replacing the prevalence of Jainism and Buddhism of the previous era.
Simplified: The Hindu sects Saivism and Vaishnavism became more dominant, with temples being built and Dravidian architecture being supported by empires replacing the significance of Nastik Jainism and Buddhism of the previous era.