What is one thing Benjamin Franklin is famous for?

Benjamin Franklin is renowned for starting the first free libraries, a significant contribution to the promotion of literacy and access to knowledge. In the 18th century, he recognized the importance of sharing information and resources with the public to foster an educated citizenry. His establishment of the Library Company of Philadelphia in 1731 was a pioneering effort in the concept of a free public library, allowing people who could not afford books to access them at no cost. This initiative laid the groundwork for future libraries across America, reinforcing the value of community resources for education and personal growth.

While Benjamin Franklin was involved in many other significant activities, such as signing the Constitution and contributing to the American Revolutionary War, his work with libraries has had a lasting impact on education and access to information. Other candidates mentioned in the choices do not accurately reflect his contributions in a way that aligns with the historical significance of the free library system he championed.