I believe it would be in the 3rd sentence
Dr. Martin Luther King Jr's I Have A Dream speech was more of an argumentative speech, as well as a speech that was persuading the listener to understand.
If he had <span>barbs on the spearhead.</span>
Fraught - filled with something bad or undesirable
The trip up the mountain can be 'fraught' with danger.
The young boy that dies while he was a work in the factory.