WORLD HISTORY

Detailed explanation-1: -The Song forces used fire arrows and fire lances in addition to their own thundercrash bombs. The Song forces also used paddle ships. Siege crossbows and firebombs were also deployed on Song ships against Mongol forces, in addition to fire lances.

Detailed explanation-2: -After Kublai Khan’s death, the dynasty began to weaken. The heirs of Kublai began to fight over power and the government became corrupt. Chinese rebel groups began to form to fight against the Mongol rule. In 1368, a Buddhist monk named Zhu Yuanzhang led the rebels to overthrow the Yuan.

Detailed explanation-3: -Zhu finally drove the Mongols out of Beijing (1368) and made himself emperor of a new dynasty, the Ming.

Detailed explanation-4: -Ultimately, though, the failure of their military campaigns became a key factor leading to the weakening and eventual demise of the Mongol empire in China. Among the failed campaigns were two naval campaigns against Japan-one in 1274 and one in 1281-both of which turned into complete fiascos.

Detailed explanation-5: -When Kublai Khan Ruled China. Genghis Khan moved his troops into the quasi-Chinese Chin-ruled north China in 1211, and in 1215 they destroyed the capital city. Hisson Ogodei conquered all of North China by 1234 and ruled it from 1229 to 1241.