The correct answer is letter D. William Jennings Bryan. He is the politician who<span> is most associated with fighting for causes that affected U.S. farmers. He was an American orator and at the same time a politician. He is a dominant force in the populist wing of the Democratic Party.</span>
Adam Smith wrote the book
Answer: They show it is possible to succeed through determination
Explanation: These two sentences: "With spotters helping, Miguel attempted the same movements, but his flip spun a little sideways. He didn't let that stop him." indicate that while Miguel experienced a setback with performing a flip (the spin sideways), he "did not let that stop him".
This shows his determination, which pays off in the end as indicated by the sentence: "Miguel kept practicing, and by the end of the session his flip was much improved."
The answer to this would be B- Longitudinal Study.