Because China is a big country and a center of the trade. Therefore, every country in Southeast Asia to trade with China, but before you make that trade, China forced tribute, their jewelry before they made the trade.
Since China is a big country and a center of trade. Therefore, all countries in Southeast Asia want to trade with China. But before making the trade. China forced to send tribute to her before. It is trading with
Because China is a big country and the center for trade. So every country in Southeast Asia want to trade with China. But before you do business. China forced to send tribute to their first. .