Answer: The correct answer is : Rich business leaders built libraries and universities.
Explanation: The Scottish immigrant Andrew Carnegie was the richest man in the early 1900's and he has built libraries and libraries all throughout the United States. He also donated money to various causes. The Rockefeller family also supported causes and politically ran for offices. In the 1700s Jefferson donated his 6,000 books to start the Library of Congress. Benjamin Franklin invented things to help start society and schools, fire departments, and the postal service.
