How did the War on Terror expand the power of the executive branch? A. By establishing a prison on Guantanamo Bay, the president could use any method of torture against suspected terrorist. B. The declaration of the War on Terror by the president shifted authority to declare war from Congress to the executive branch C. The advent of drone technology allowed the president to quickly kill American citizens who were suspected of aiding terrorists D. by appealing to the looming threat of terrorism against Americans, the president implemented policies and measures without the approval of Congress to combat those threats