Respuesta :
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.
Answer:
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.
Explanation: