Alma 57

The war situation is gradually changing to the favor of the Nephites and it's because the Nephites are fighting for a righteous cause. And because they are fighting for the right reasons, are more educated, and live to a higher standard, they possess more wisdom and skill. When you do something out of anger or hate, it blinds the senses and rather than dealing intelligently with a situation, it's dealt with emotion and emotion will only carry you so far. And then it helps to have 2,060 soldiers who "did obey and observe to perform every word with exactness." It would be hard to underestimate their dedication, strength and unity. I would not wanted to have had to face them in battle. The Nephites will still face more crisis before the wars finally end, but writing is on the wall for the Lamanites.