The statement that best assesses the contributions of the Code of Hammurabi to U.S. political thought is:
"The Code of Hammurabi contributed to U.S. political thought as an example of how uniform written rules could promote a flourishing society."
This statement recognizes the historical importance of the Code as one of the earliest written legal codes, which served to establish order and consistency in governance—concepts that are foundational to modern legal systems, including that of the United States.