During the period of the Singasari kingdom, the alliance of political powers in the Malay archipelago took place in a relatively peaceful way, but during the Majapahit kingdom (since 1292) the unity was formed more stringent by military power.
Whereas king Kertanegara’s effort to unite the Malay world was mainly to face the dangers of external expansion (from China), the Majapahit unity was mainly motivated by internal ambition to subjugated local political power under the banner of Majapahit integration. By implementing this policy, Majapahit could ‘inherit’ most parts of the former Sriwijaya territory (Lapian, 1984). 41 Despite that Majapahit seems never to have been able to exert any continuing control over the Straits of Malacca, this empire was by far the greatest and most powerful of the Javanese states, and had no rival within the archipelago for more than a century