Answer:
Song; Chola
Explanation:
The Srivijaya Empire was a wealthy and powerful empire on the Indonesian island of Sumatra. The empire maintained strong trade links with the Song and Tang dynasties. The Srivijaya Empire had intense rivalries with the Chola Empire and the Champa.
Srivijaya empire was a maritime and commercial kingdom that flourished and which controlled presnt day Indonesia and much of the Malay Archipelago between the seventh and the thirteenth centuries. The empire flourished because it was based around trade,facilitated between China and India as a result of Melaka Strait and having mutual understanding with various Empires.
The Chola dynasty was a Tamil dynasty of southern India based in the Kaveri River Valley, which runs southeast through Karnataka, Tamil Nadu, and the southern Deccan Plateau to the Bay of Bengal, founder by Vijayalaya and this empire ruled for more than 1,500 years, making them one of the longest-ruling families in history
Srivijaya Empire relationship with Chola were friendly but this truce or period of peace deteriorated into actual warfare before the Chola Dynasty faced a continuous decline till 1279.
Srivijaya Empire relationship with Song Empire was as a result of trade expeditions
