A). To comply with the new rules while still encouraging cigarette purchases
Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:

B.Mood-altering chemicals derived from plants.
please correct my answer if its wrong
B) The North Atlantic Treaty Organization
Answer:
C.Updating her previous state information...etc