John Locke and the Enlightenment are the right answer.
John Locke was an English Philosopher of the Enlightenment age. He gave emphasis on the development of liberalism. He is well known for his theory of division of powers and for his views about the property as the source for prosperity. He was an important link in the development of modern executive and parliamentary government in the United States.
Clarence Darrow is going to be the right answer
They will be a lot of pollution in the air and there will also be a lot of traffic