Immigration. The song's other title was "They're coming to America", it's a song about american dream, and opportunities which america gives.
Answer:
1. A clearly stated opinion on the effectiveness of the speech
2. Clearly stated reasons for that opinion
3. Evidence and details from the fireside chat to support that conclusion
4. Identification of specific events that occurred during the Great Depression in support of the conclusion
I hope this helped instead of a paragraph :/
D. All of these choices are correct