Select all that apply.
Why was it difficult for American ground forces to clear areas of guerrillas?
The guerrillas fled while the ground forces were in their area.
The guerrillas hid themselves from American forces.
The guerrillas had superior weapons.
The guerrillas were more capable fighters.
Generally speaking, it was difficult for American ground forces to clear areas of guerrillas because "The guerrillas hid themselves from American forces" and "The guerrillas fled while the ground forces were in their area".
