To revive the fortune of Malayu in Sumatra, from the 1370s, a Malay ruler of Palembang despatched an envoy into the court of the 1st emperor of the freshly established Ming dynasty. He invited China to resume the tributary system, the same as Srivijaya did quite a few generations before. https://connerhhdaw.tribunablog.com/result-hk-hari-ini-fundamentals-explained-49203500