The united states became involved in afghanistan due to the terrorist attacks of september 11, 2001 in new york and washington D.C., carried out by Al Qaeda. From this, a campaign was carried out in the united sates, supported by several members of NATO, in order to put and end to international terrorism, systematically eliminating the so-called terrorist groups, and all those suspected of belonging to these groups, and putting an end to the alleged sponsorship of terrorism by united states. In addition ,US got involved due to the support of the taliban goverment on terrorism.