The south, where Jim Crow laws were in effect
Answer:a. reasoning from principle
Explanation:Catherine is drawing her reasoning from a principle which legally guides the sale of tobbaco to minors , so she moves from this general principle into making specific conclusion. She pays attention to this general principle and make statements to support that how reasoning from principle works .
Giving the same choice people make different decisions this is because people have different types of opinion and mentality to observe it.