3. PART A: What is one important idea that is introduced and developed in the beginning of the speech?
O A. Leaders must learn from history in order to avoid the mistakes of our forebears.
O C. Governing is difficult work, but the citizen's work is more admirable.
O B. Constitutional principles must be upheld at all times.
OD. A representative government is strong and successful, but poor leadership may make it vulnerable.

An important idea that is introduced and developed at the beginning of this speech is "A representative government is strong and successful, but poor leadership may make it vulnerable."What is this speech about?In this speech, Calvin Coolidge focuses on explaining the importance of a strong government and what it is required to have a strong government.What is the main idea in the first paragraph?In the first paragraph, Calvin Coolidge talks about unity and the importance to work together to achieve welfare as this depends not only on the sucess of the government but on the success of every sector of society. This is pointed out in " A representative government is strong and successful, but poor leadership may make it vulnerable".Based on the above the idea explained is "A representative government is strong and successful, but poor leadership may make it vulnerable."Learn more about government in: https://brainly.com/question/16940043#SPJ1