Final answer:
The hundred days refers to the first one hundred days of Franklin D. Roosevelt's presidency, during which he enacted the New Deal to address the Great Depression.
Step-by-step explanation:
The hundred days refer to the first one hundred days of Franklin D. Roosevelt's presidency, which took place between March 9 and June 16, 1933. During this time, Roosevelt and his administration passed a series of sweeping changes known as the New Deal. These changes included the emergency banking bill, which aimed to stabilize the banking system, as well as a range of other legislation focused on relief, recovery, and reform in response to the Great Depression.