Original sentence: Hideyoshi's coalition invaded Yi Dynasty Korea, in an attack leading to the Seven-Year War.However, before the rise of the Joseon Dynasty in Korea, the Koreans periodically considered Tsushima to be Korean territory.The discovery of a book written by American missionary Homer Hulbert mentioning Silla's occupation of Tsushima island has been cited by modern Korean historian, Lee Hyun-bok
Edited sentence: Hideyoshi's coalition invaded the Joseon Dynasty, in an attack leading to the Seven-Year War.However, Recently, the Koreans periodically considered Tsushima to be Korean territory