Final answer:
Roosevelt opened his speech with a tribute to the strength and fiber of the American people to convey a message of optimism and unity. He emphasized the importance of the people's cooperation, faith, and banishing fear in order to successfully carry out the national program.
Step-by-step explanation:
Roosevelt opened his speech with a tribute to the strength and fiber of the American people to convey a message of optimism and unity. By acknowledging the fortitude and good temper with which the American people had accepted the inconvenience and hardships of the banking holiday, Roosevelt sought to instill confidence and courage in the listeners.
He emphasized the importance of the people's cooperation, faith, and banishing fear in order to successfully carry out the national program. Through his word choices and rhetoric, Roosevelt aimed to galvanize the public and build support for his efforts to save the nation from economic depression.