On the other hand, because some Yuan Dynasty's government officials imposed high tariffs on Japanese merchant ships and put unjustified pressures on Japanese crews after Mongol failed to invade Japan, Japanese armed and rebelled against them; thus, they turned into the early wako (Japanese pirates).
だが、一方で元寇（日本遠征）の失敗後、元の官吏の中には日本商船に高い関税をかけたり乗員に不当な圧迫をかけたりしたため、日本側も武装してこれに抵抗、初期倭寇の原因となった。