Helaman is a man of faith first, and a man of war second. He is leading a unit of Ammonites who have been preserved upon their faith through tremendous battles. Such a man facing innumerable opponents and receiving but little reinforcements complains a little, but then pours out his soul to God. Two things happen. The first is that God lets him know that all will be well. The second is that all in the Nephite army believe this assurance. Certainly they had the miraculous salvation of the Ammonites to point to as a token of the power of faith, and they are willing to exercise faith in the will of the Lord.