Shared ground
The passage presents Rehoboam as consolidating a smaller kingdom after the split. He stays based in Jerusalem and sets up a defense network by “building” or strengthening a line of cities in Judah and Benjamin (vv. 5–10). The list of towns functions like an administrative report: it is specific, place-based, and focused on security.
It also defines what “fortifying” involved in practical terms: strengthening strongholds, appointing commanders, and stockpiling provisions (including oil and wine), plus arming each city with shields and spears (vv. 11–12). The closing statement, “Judah and Benjamin belonged to him,” summarizes the political result of the division (v. 12).
Where interpretation differs
Two issues get discussed.
First, what “built” means here. Some read it as mainly new construction projects across the territory. Others think it more often means upgrading and reinforcing existing settlements (walls, gates, garrisons), with “build” covering that broader work.
Second, what the final line (“Judah and Benjamin belonged to him”) emphasizes. Some hear it as a plain political boundary statement: these tribes were the ones under his control. Others think the wording also highlights a tribal-identity point that matters to the Chronicler’s larger story, since Judah and Benjamin remain connected to Jerusalem.
Why the disagreement exists
The narrative uses a common verb for “build” (built) without spelling out whether the towns were founded, rebuilt, or strengthened. Also, the passage mixes geography (a list of towns) with summary statements (fortified cities; tribes that remained), so readers weigh whether the emphasis is mostly military strategy, or military strategy plus tribal identity.
What this passage clearly contributes
Explicitly, it shows how Rehoboam stabilized his rule: a coordinated set of fortified centers, staffed by commanders and supplied for endurance (vv. 5, 10–12). It also makes clear that his effective realm is Judah and Benjamin, not the whole former united kingdom (v. 12). As a piece of Chronicles’ larger narrative, it illustrates that kingship is not only policy and worship but also governance: territory, logistics, and security infrastructure are part of how the kingdom is maintained.