This book develops a theoretical understanding of foreign intervention on the warfare in civil wars.

Warfare in civil wars is far more dynamic than in international wars. To date there is a paucity of research on the nature of warfare in civil wars. Within a single civil war, the predominant type of warfare may change over time or between regions. This book fills this gap. It establishes how the military balance of power between the contending sides in a civil war shapes the type of warfare that develops. It shows that this warfare is often highly fluid, with belligerents adapting...