In the meantime, Kublai was beginning preparations for a second invasion. He ordered the king of Goryeo to raise an army of 20,000 men and build 1,000 ships. To them, he would add 50,000 Mongol soldiers that he could easily spare after having conquered Southern Sung in 1279. Another fleet of 2,600 ships carrying 100,000 Chinese and Mongol soldiers was also being readied on the Yangtse river. Other sources mention 10,000 Korean soldiers, 15,000 Mongols in Korea, and 100,000 soldiers in China on 3...

In the meantime, Kublai was beginning preparations for a second invasion. He ordered the king of Goryeo to raise an army of 20,000 men and build 1,000 ships. To them, he would add 50,000 Mongol soldiers that he could easily spare after having conquered Southern Sung in 1279. Another fleet of 2,600 ships carrying 100,000 Chinese and Mongol soldiers was also being readied on the Yangtse river. Other sources mention 10,000 Korean soldiers, 15,000 Mongols in Korea, and 100,000 soldiers in China on 3...