The answer to you question is B
It would "Calvin Coolidge" who<span> was the first to broadcast the State of the Union speech on the radio, which was very important because a large population of Americans had a radio--making such a broadcast very "unifying" for the nation. </span>
the answer is C. He was a strong voice in Congress.
Answer:
Primary because document is something that happened the day of the event
Explanation:
B italy because it was the main center of feudalism