What Does Genesis 14:8 Mean?

Then the king of Sodom, the king of Gomorrah, the king of Admah, the king of Zeboyim, and the king of Bela went out and drew up their battle lines in the Valley of Siddim against Kedorlaomer king of Elam, Tidal king of Goiim, Amraphel king of Shinar, and Arioch king of Ellasar, four kings against five. The battle is joined: five kings against four. The numerical advantage is with the Jordan plain cities, but the military experience advantage almost certainly lies with the eastern coalition, which has just swept through the region defeating multiple peoples without apparent difficulty.

The formal battle-line engagement in the Valley of Siddim is the ancient military convention of arranged warfare, where armies faced each other across a relatively even terrain before either side pressed an attack. The valley of the Jordan plain south provides this kind of terrain, with its flat surface interrupted only by the bitumen pits that will figure in the next verse. The five kings have chosen their best available defensive position; the coalition has momentum from its successful campaign through the surrounding territories.

The listing of four kings against five is the chapter's summary of the geopolitical stakes. From the outside, the local kings have the numerical advantage. But numbers in ancient warfare were not the only determinant of outcome; cohesion, experience, and logistical capability all mattered significantly. An eastern coalition that had invaded and defeated numerous peoples across a wide territory was a disciplined and experienced military force. The five Jordan plain cities, whatever their population and wealth, were defending against a proven conquering army.