Generally speaking, to figure out price and quantity in a monopoly, a business finds the point at which marginal cost equals "b) Marginal revenue," since this is the point at which the product can be sold.
The bill of rights focuses on (D) the freedoms of the people.
A few examples from the bill of rights:
1st Amendment:
Freedom of Speech, Press, Assembly, Religion, Petition
2nd Amendment:
Right to bear arms.
To stop communism from spreading to the west.
He new Emperor Thedosius needed gold and silver to raise another army. The pagan temples had a lot of gold and silver. So he declared the Edict of Thessalonika in 380 A.D. which made Nicaean Christianity the official religion of the Roman Empire in both West and East. Jews were exempted.