He put his brother Abishai in charge of the rest of the army and they were deployed against the Ammonites.

When Joab saw that the battle would be fought on two fronts, he chose some of Israel’s best men and deployed them against the Arameans.

When David was informed, he gathered all Israel, crossed the Jordan River, and marched against them. David deployed his army against the Arameans for battle and they fought against him.