Final answer:
Ben Franklin came up with the idea of Daylight Saving Time to conserve energy.
Step-by-step explanation:
Ben Franklin came up with the idea of Daylight Saving Time to conserve energy. By moving the clocks forward in the spring and back in the fall, Franklin believed that people could make better use of daylight and reduce the need for artificial lighting. This idea has been adopted by many countries around the world as a way to save energy.