Final answer:
The purpose of FDR's 'Fireside Chats' was to directly communicate with the American people and gain their support for his policies.
Step-by-step explanation:
Through these weekly radio addresses, Roosevelt aimed to explain his New Deal agenda and reassure the public during times of crisis, such as the banking crisis. By speaking in a conversational and comforting tone, he sought to build trust and encourage unity among the people. The purpose of FDR's "Fireside Chats" was to directly communicate with the American people and gain their support for his policies.