Final answer:
The Marines were directly involved in Operation Enduring Freedom after Kabul fell to American/Northern Alliance forces. They worked alongside Afghan groups such as the Northern Alliance to defeat the Taliban and remove the al-Qaeda presence.
Step-by-step explanation:
After Kabul fell to American/Northern Alliance forces, the Marines were directly involved in Operation Enduring Freedom. They worked alongside Afghan groups such as the Northern Alliance to defeat the Taliban and remove the al-Qaeda presence. The Marines provided support in the form of combat operations, training local Afghan forces, and conducting search and destroy missions to eliminate Taliban fighters. Ultimately, their involvement helped to stabilize the region and pave the way for the establishment of a new government in Afghanistan.