The Patriot Act, Which Strengthened the Government's Investigatory Powers

The Patriot Act, which strengthened the government's investigatory powers,

A) is the most significant anti-terrorism legislation in the United States.
B) bans the government from opening a suspect's mail.
C) includes warrantless surveillance, which has strong public support.
D) was designed to fight organized crime.
E) was designed to create territorial barriers between government agencies to protect secrecy.