This means that he sent messengers to take this message throughout the land. Alternate translation: "Then Jehu sent messengers" or "Then Jehu sent the message" (See: [[rc://en/ta/man/translate/figs-explicit]])
This can be stated in positive form. Alternate translation: "so that every worshiper of Baal was there" or "so that every man came" (See: [[rc://en/ta/man/translate/figs-doublenegatives]])