- Erfan Fard
- September 6, 2021
- Paper No. 2147
The US invaded Afghanistan in 2001 to overthrow the Taliban regime and al-Qaeda after the 9/11 attacks. Iran opposed the US presence, as it strove (and continues to strive) for regional hegemony. Despite its distaste for the Sunni Taliban, Tehran constantly undermined US efforts to stabilize Afghanistan by collaborating with the extremist group.