D. They calmed anxiety stemming from the Great Depression.
Explanation:
The Fireside Chats refer to some 30 radio speeches given by president Franklin Delano Roosevelt from 1933 to 1944. He spoke about a variety of topics, from unemployment and hardships in the 1930s to the fight against fascism during WWII. Americans experienced comfort, renewed confidence and reassurance by listening to his chats.
Federal Indian Policy. Federal Indian policy establishes the relationship between the United States Government and the Indian Tribes within its borders. The Constitution gives the federal government primary responsibility for dealing with tribes.