Answer:
As a result of the terrorist attacks on September 11, 2001, the US declared a “war on terror.”
Explanation:
War on Terror is a campaign of the United States, supported by several members of NATO and other allies, with the declared aim of ending international terrorism, systematically eliminating the so-called terrorist groups, considered so by the United Nations, and all those suspected of belonging to these groups, and putting an end to the alleged sponsorship of terrorism by States. This international offensive was launched by the Bush Administration following the terrorist attacks of September 11, 2001 in New York and Washington DC, carried out by Al Qaeda.
