And Rehoboam dwelt in Jerusalem, and built cities for defence in Judah. And built cities for defense in Judah - He was obliged to strengthen his frontiers against the encroachments of the men of Israel; and Jeroboam did the same thing on his part to prevent the inroads of Judah. See 1 Kings 12:25.
Related Commentaries of 2 Chronicles 11:5
2 Chronicles 11:5
5 And Rehoboam dwelt in Jerusalem, and built cities for defence in Judah.