After the founding of the dynasty, Kublai Khan was put under pressure by many of his advisers to further expand the sphere of influence of the Yuan through the traditional Sinocentric tributary system. However, the attempts to establish such tributary relationships were rebuffed and expeditions to Japan (twice), Dai Viet (twice during Kublai's rule), and Java, would later meet with less success. Kublai established a puppet state in Myanmar, which caused anarchy in the area, and the Pagan Kingdom was broken up into many regions warring with each another. In order to avoid more bloodshed and conflicts with the Mongols, Annam and Champa later established nominal tributary relations with the Yuan dynasty.