2 Chronicles 14:6
“And he built fenced cities in Judah: for the land had rest, and he had no war in those years; because the Lord had given him rest.”
And commanded Judah to seek the Lord God of their fathers, and to do the law and the commandment.
Also he took away out of all the cities of Judah the high places and the images: and the kingdom was quiet before him.
And he built fenced cities in Judah: for the land had rest, and he had no war in those years; because the Lord had given him rest.
Therefore he said unto Judah, Let us build these cities, and make about them walls, and towers, gates, and bars, while the land is yet before us; because we have sought the Lord our God, we have sought him, and he hath given us rest on every side. So they built and prospered.
And Asa had an army of men that bare targets and spears, out of Judah three hundred thousand; and out of Benjamin, that bare shields and drew bows, two hundred and fourscore thousand: all these were mighty men of valour.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And it came to pass, when the king sat in his house, and the Lord had given him rest round about from all his enemies;”
“Blessed be the Lord, that hath given rest unto his people Israel, according to all that he promised: there hath not failed one word of all his good promise, which he promised by the hand of Moses his servant.”
“And Rehoboam dwelt in Jerusalem, and built cities for defence in Judah.”
“When he giveth quietness, who then can make trouble? and when he hideth his face, who then can behold him? whether it be done against a nation, or against a man only:”
“He maketh wars to cease unto the end of the earth; he breaketh the bow, and cutteth the spear in sunder; he burneth the chariot in the fire.”