It is also said that the fact that their ships had been made by people of subjected countries, such as Goryeo and Vietnam, was one of the reasons why many ships were so easily destroyed by the storm.
また、暴風雨によって多くの船がもろくも沈んだ理由として、船を服属させた高麗人や越人（ベトナム人）に作らせたことにあるとされる。