Mains question on Sangam Age -1

1) THE PERIOD BETWEEN THE SANGAM AGE AND THE PALLAVAS — THE SECOND TO THE SIXTH CENTURIES CE — WERE TRYING TIMES FOR TAMIL LITERATURE AND THE HINDU RELIGION. WHAT HAPPENED DURING THIS TIME? HOW DID THE ARRIVAL OF BHAKTI MOVEMENT HELP IN REVIVAL OF TAMIL CULTURE AND LITERATURE? EXAMINE