Why did the united states invade afghanistan in 2001? a) to respond to terrorist attack on u. s territory b) to protect neighboring countries from likely invasion c) to prevent communist government from taking over the country d)to overthrow the government that was developing nuclear weapons

A) To respond to Terrorist attack on U.S territory

Explanation:

The United States invaded Afghanistan after a series of four terrorist attacks on September 11th, 2001 coordinated by the Islamic terrorist group al-Qaeda. On October 7th, 2001, U.S. supported by close allies, invaded Afganistan. The main objectives were to dismantle al-Qaeda and to remove the Taliban from power.

i also think he is correct. i believe they came to washington to protest their rights.