This disorder is the only anxiety disorder that is directly linked to a specific cause. It results from a traumatic or horrifying experience: A. Panic attack
B. Post-traumatic stress disorder
C. Phobia
D. OCD

You didn't give the options btw

Answer in 2009 barack obama signed into law the family smoking prevention and tobacco control act, the new law (h.r.   1256) represents the most sweeping action taken to date to reduce what remains the leading preventable cause of death in the united states;