Complex sentence: Soviet troops occupied the cities and main axis of communication, while the mujahideen waged guerrilla war in small groups operating in the almost 80 percent of the country that escaped government and Soviet control, Amstutz, J. Bruce (1986).
Split into simpler sentences: Soviet troops occupied the cities and main axis of communication, while the mujahideen waged guerrilla war in small groups. Almost 80 percent of the country escaped government and Soviet control, Amstutz, J. Bruce (1986).