Baasha king of Israel went to war against Judah and fortified Ramah to prevent anyone from leaving or entering the territory of Asa king of Judah.
Jewish Publication Society of America Version (JPS1917) - 1 Kings 15:17 >And Baasa king of Israel went up against Judah, and built Ramah, that he might not suffer any to go out or come in to Asa king of Judah.