Complex sentence: Consequently, the Philippine Army began using tactics of guerilla warfare, seeing that they could not square off against the Americans in large western style military actions, they resorted instead to using the terrain to their advange in cunning hit and run attacks.
Split into simpler sentences: Consequently, the Philippine Army began using tactics of guerilla warfare. Seeing that they could not square off against the Americans in large western style military actions, they resorted instead to using the terrain to their advange in cunning hit and run attacks.