The Address to Congress after 9/11 refers to the speech given by President George W. Bush on September 20, 2001, in response to the terrorist attacks on September 11. In this powerful speech, Bush outlined the U.S. government's response to the attacks, emphasizing the need for national unity, the fight against terrorism, and the importance of protecting American values and freedoms. This address was a pivotal moment in U.S. history, marking the beginning of a new era in foreign policy and military action, particularly relating to the Afghanistan War and the pursuit of Osama bin Laden.