He also mentioned that Joseon was reluctant to establish diplomatic relations with Japan, partly because Hideyoshi TOYOTOMI invaded Joseon twice during the Bunroku and the Keicho eras, and partly because the Tsushima clan intimidated Joseon into giving them rice and grain.
さらに朝鮮側が日本との国交樹立に消極的である原因について、過去の豊臣秀吉の文禄・慶長の役の経緯や、かつて対馬藩が朝鮮側を恐喝し米穀をせしめていたことなどを挙げた。