Complex sentence: Finally the suppressive fire hurts an enemy's morale by scaring them, by the fire being continuous, it scares more when it kills, an enemy that hesitates the least bit is at a great disadvantage.
Split into simpler sentences: Finally the suppressive fire hurts an enemy's morale by scaring them, by the fire being continuous, it scares more when it kills. An enemy that hesitates the least bit is at a great disadvantage.