This article examines the U.S. response to global terrorism and its campaign in Afghanistan from 2001 to today. The aim of this article is first to understand the fallacies, missteps, and misunderstandings of the U.S. approach in Afghanistan. Second, the analysis evaluates the lessons learnt and some possible strategies for achieving long-term stability and security in Afghanistan. In particular, the analysis focuses on the different strategies adopted by the United States and their achievements. Despite a first victory over the Taliban regime, the initial approach was focused on the enemy only and it lacked long-term planning, paving the way to an insurgent movement against the U.S. presence in Afghanistan. Then, in 2003 the U.S. strategy ...