Answer:
From the group of choices provided the correct option is letter "b".
Explanation:
Rent control is an illustration of a price ceiling because it sets the maximun price that a landlords can charge tennants. And the minimum wage is an illustration of a price floor, because it represents the minimum amount that can be charged for a product, good or service.
His belief that people are self-interested
Working together between countries
Answer: The more educated the people the more they will be motivated to help people and make changes.
Explanation: