Answer:
Answer is Option A: The United States suspended constitutional rights of Americans of Middle Eastern descent.
Step-by-step explanation:
From the given options, Option B: The Patriot Act was signed weeks after the September 11 terror attacks against U.S. This act was passed to create such laws with which U.S can improve its abilities to detect and deter terrorism. Option C: Department of Homeland Security was also created as an after math of terror attack of September 11. DHS was created to deal with terrorism by focusing on federal preparations for the same. Option D was also immediate response of U.S. after the terror attack. They invaded Afghanistan for protecting the terrorists responsible for the attack.
Thus, the option which is not a response to terrorist attacks is Option A.