What is one way that longfellow uses source material from the story of sampson in "the warning"?

he draws from sampson’s story to show that at any given point in history, people may be punished for standing up for their beliefs.

longfellow uses the deaths of thousands of philistines at the hands of sampson to serve as a caution about the institution of slavery.

he uses the example of the philistines and their persecution of sampson to show that people in power often abuse their authority.

longfellow focuses on sampson’s weaknesses as a leader to contrast with the strengths of the american people.