Complex sentence: The Pandyas, Cholas, Pallavas, Haysalas, Vijaynagar and Madurai Nayaks ruled over this part of the country and fostered its communual organisations, trade and industries and embellished it with temples and monuments of outstanding merit.
Split into simpler sentences: The Pandyas, Cholas, Pallavas, Haysalas, Vijaynagar and Madurai Nayaks ruled over this part of the country and fostered its communual organisations, trade and industries. They embellished it with temples and monuments of outstanding merit.