What is one thing Benjamin Franklin is famous for?

Benjamin Franklin is renowned for multiple contributions to American history, particularly as a founding father and for his role as a diplomat. As a founding father, he played a vital role in the establishment of the United States, contributing to the Declaration of Independence and the Constitution. Franklin's diplomatic endeavors were equally significant; he served as the United States' first ambassador to France, where he worked to secure French support during the American Revolutionary War, which was crucial for the success of the colonies against British rule.

Franklin's achievements exemplify the spirit of the revolutionary era, highlighting his intellectual contributions, political activities, and foreign relations work. His legacy encompasses his role in shaping the nation both legally and diplomatically, which makes both being a founding father and serving as a US diplomat key reasons for his fame. The option that includes both A and C captures these significant aspects of his life and contributions.