From the 19th century to the early 20th century, powerful imperialist countries imposed on Asian countries treaties containing unequal provisions including the cession of treaty ports, approval of extraterritoriality of foreign residents, and cession or lease of territory.
19世紀から20世紀初頭にかけて、帝国主義列強はアジア諸国に対して、条約港の割譲や在留外国人の治外法権承認、領土の割譲や租借など不平等な内容の条約を押し付けた。