THE UNITED STATES OF AMERICA AND THE FIGHT AGAINST GLOBAL TERRORISM (9/11)

his study evaluates the United States’ foreign and domestic policy responses to the terrorist attacks of September 11, 2001, which initiated the global campaign known as the Global War on Terrorism (GWOT). Using a historical-analytical framework and drawing upon secondary data—including strategic defense doctrines, foreign policy directives, national security archives, and independent geopolitical assessments—the research investigates the evolution, execution, and long-term efficacy of the American counterterrorism paradigm over more than two decades. The study systematically reviews the primary pillars of the U.S. strategy, analyzing the shift toward preemptive military intervention, the deployment of asymmetric drone warfare, the global weaponization of financial surveillance systems, and the comprehensive bureaucratic reorganization of the domestic intelligence apparatus. The findings indicate that while the U.S.-led counterterrorism framework successfully achieved its primary objective of preventing another catastrophic, foreign-directed terrorist attack on the American homeland and effectively decapitated core leadership nodes (including Osama bin Laden and Abu Bakr al-Baghdadi), it produced profound secondary consequences. At the international level, military interventions in Afghanistan and Iraq generated persistent power vacuums, fostered regional instability, and unintentionally catalyzed the decentralization of jihadist networks into autonomous regional franchises. At the domestic level, the expansion of state surveillance through legislative measures like the USA PATRIOT Act ignited ongoing legal and ethical debates regarding the erosion of civil liberties. Furthermore, the study highlights the immense economic toll of the post-9/11 conflicts, which cost trillions of dollars and exacerbated national fiscal strains. The study concludes that the traditional, heavily militarized approach to counterterrorism has yielded diminishing returns in a multipolar global environment. It recommends that future counterterrorism strategies transition toward multilateral diplomacy, localized intelligence sharing, and addressing the underlying socio-economic drivers of radicalization.