The death of King Solomon brings deep, hidden national tensions to the surface, shifting the center of power away from the capital. Instead of a smooth and natural succession in Jerusalem, the people initiate a political maneuver that forces the new heir out of his comfort zone, setting the stage for a dramatic confrontation and the ultimate division of the kingdom. Strictly speaking, as the son of the king, Rehoboam automatically inherited the throne and did not need a coronation ceremony at all [מלבי״ם]. Yet, the entire nation gathers in the city of Shechem [מנחת שי], demonstrating that the people demand to hold a coronation ceremony on their own initiative. Their goal is to make it clear to Rehoboam that his rule is conditional upon their consent and his acceptance of their terms [מלבי״ם]. To achieve this, they wait for Jeroboam to return from Egypt, speak to Rehoboam as an ordinary citizen rather than addressing him as a king, and issue an ultimatum rather than a request. This entire strategy is designed to create a pretext for rebellion [אלשיך, רד״ק].
The choice to gather in Shechem is highly calculated. One approach suggests that although the Temple was built in Jerusalem, the nation does not yet view it as the exclusive royal city, making Shechem an appropriate site for a national coronation due to its central location [ביאור שטיינזלץ]. However, the primary approach among commentators is that the location is a deliberate, strategic move against Rehoboam. Jerusalem is the stronghold of the tribe of Judah, and the people fear that if they gather there, Rehoboam will simply entrench himself in his power and ignore their demands. By choosing Shechem, they move the proceedings to the territory of the tribe of Ephraim and the house of Joseph, a region that is a historical rival to the tribe of Judah.
Selecting the territory of Ephraim also serves the direct interests of Jeroboam, who belongs to that tribe. The people are already aware of the prophecy delivered by Ahijah the Shilonite, which foretold that Jeroboam would eventually rule [רד״ק]. By bringing him to his home territory, they intend to provide him with the physical protection of his family and tribe, shielding him from Rehoboam's potential anger over his past rebellions [רלב״ג, אברבנאל]. God guides these events to ensure that Jeroboam gains a respected and protected status in the eyes of the nation, ultimately bringing the earlier prophecy to fulfillment [רלב״ג].
From a historical and spiritual perspective, the location itself holds an ominous warning for the future. Tradition views Shechem as a place historically prone to disaster. It was the site where Dinah was assaulted, where the brothers sold Joseph, and where, at this critical juncture, the kingdom of the house of David is torn in two and permanently divided [רד״ק, אברבנאל].