David’s complete conquest of Edom marks a peak of political and economic dominance. Yet, this total victory stands as a testament not to human military might, but to direct Divine assistance. To secure his rule, David appointed regional officers and governors tasked with collecting taxes from the defeated population [רש"י, אברבנאל]. The historical record emphasizes the thoroughness of this occupation, noting that these officials were stationed throughout the entire land.
The primary approach among commentators understands this broad presence geographically. Unlike the conquest of Aram, where David only needed to place officials in the capital city of Damascus, the control over Edom required stationing governors in every single city without exception [רד"ק, מצודת דוד, אברבנאל]. Another perspective suggests this widespread placement reflects the passage of time. David continuously appointed new officers over an extended period, proving the long-term stability and strength of his government in the region [אברבנאל].
A third view outlines a gradual, three-stage process of total surrender. Initially, officers were placed only in select areas. In the second phase, they were established across the entire country to collect a general tax from each city. Ultimately, the entire population was forced into servitude through a personal tax levied on every individual, effectively turning them into slaves. This complete collapse of Edom, happening exactly as David's power peaked, reflects a deep historical principle: when one of these two rival nations falls, the other inevitably rises [אלשיך].
Ultimately, this unprecedented level of control was not the result of David’s own strength or bravery in battle. The absolute surrender of Edom was achieved entirely through miraculous means and Divine power, as God protected and brought victory to David wherever he went [אברבנאל].