Triple

Target entity: war on terror
Context triple: [A Tragic Legacy, mainSubject, war on terror]

• A. Global War on Terrorism chosen
  The Global War on Terrorism is a broad, U.S.-led international military and political campaign launched after the September 11, 2001 attacks to combat terrorist organizations and the states that support them.
• B. Fighting Terrorism
  "Fighting Terrorism" is a book by Israeli politician Benjamin Netanyahu that outlines his views on the nature of terrorism and strategies for combating it.
• C. Iraq War
  The Iraq War was a major armed conflict that began in 2003 with a U.S.-led invasion to topple Saddam Hussein’s regime, followed by years of insurgency, sectarian violence, and international military involvement.
• D. War in Afghanistan (2001–2021)
  The War in Afghanistan (2001–2021) was a protracted conflict initiated by a U.S.-led invasion to dismantle al-Qaeda and remove the Taliban from power, evolving into a long-term counterinsurgency and nation-building effort that ended with the Taliban’s return to control.
• E. Afghan conflicts
  Afghan conflicts refers to the series of wars and insurgencies in Afghanistan—most notably the Soviet–Afghan War, the civil wars of the 1990s, and the post-2001 conflict involving the Taliban and international forces—that have profoundly shaped the country’s modern history and regional geopolitics.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.