__ is an international, American-led military campaign launched following the September 11, 2001 terrorist attacks.

A) Global war on terror
B) Countering terrorism
C) Terrorism program
D) None of these

🧠 Explanation:

The Global War on Terror was launched after the September 11, 2001 attacks. Knowing this helps students and history enthusiasts understand modern geopolitics. This campaign is key for studying history or politics in school. Learning this helps with projects or exploring global security. It’s useful for political science, ensuring clarity in academic work or general knowledge about terrorism.