<span>The state of being happy.
</span><span>Happiness lessens stress
</span>
Answer:
She wants her son to be have for whren they go to church so she uses a candy to show him if she does behave he will get one.
Explanation:
Try using google translate I hope I helped
I'd say D. expert power because expert power is when an employee ( or in your case the teacher) has a high set of knowledge/skills that other employees do not posses. Which by the information above about this teacher's PhD and thier experience, I assume that this teacher must have expert power.