The article studies the rise of the Sunni Awakening (or Sahwa) movement as an example of how different groups can be mobilized for collective action and disintegrated by internal and external factors. It also examines the motives of the Sunni tribal leaders to oppose the AQI and the factors that had a decisive influence on the disintegration of the Awakening movement. The emergence of the Iraqi Sunni Awakening was associated not so much with a sense of ideological, patriotic, or religious obligation but with the loss of economic power of the tribal leaders who decided to mobilize against the AQI.Since 2006, the Sunni Awakening has been a key component of the US strategy to combat jihadi groups. The growth of the movement's activity led to a...