Wordel tratadoMeaningthe treatyPart of speechnounPronunciationCourseSpanish (Latin America)LessonFormal relative pronouns (el cual)Usages of el tratadoEl tratado, el cual firmó el presidente, es importante.The treaty, which the president signed, is important.Hay que leer el tratado del cual hablaron.We must read the treaty about which they spoke.