How do you write a good Compelling Question argument??

Who gave the famous "i have a dream" speech at the march on washington?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Around the third week of a college class, a professor decides she’s had enough, is tired of dealing with bureaucracies, and wants out. so one day, instead of coming to class, she flies to tahiti and sells souvenirs on the beach. if this happened, the college would simply assign a substitute to finish the course. what does this tell you about the nature of the authority wielded by a professor?