During the days of the early Wako, the Korean peninsula was not only one of the Wako's principal targets, but also their base of operations, and because the Joseon dynasty had only just been established in Korea, the new government lacked the independent ability to preserve peace, making it extremely difficult for them to suppress Wako pirate activity.
倭寇の中心的活動の一つで拠点であった前期倭寇当時の朝鮮半島は李氏朝鮮が成立直後であった事もあり、自立的な治安維持能力が不足し倭寇活動を抑制する事が困難であった。