The statement that best represents how Harding and Coolidge's presidential policies compare and contrast with each other is:
• Both were pro-business, but only Harding's presidency is famous for Scandals.
This statement captures the essence of their presidencies, as both were indeed pro-business, but Harding's administration was marred by significant scandals, such as the Teapot Dome scandal, which were not present during Coolidge's presidency.