The answer to your question is English settlers, primarily Puritans to Massachusetts and the West Indies, especially Barbados.
You could say that he appealed to pathos. It's an appeal to emotion while ethos is to credibility. He used pathos to speak about sad things like secession and about the evils of slavery and why it should end. He didn't have to appeal to credibility because he was already the president so everyone knew why he was competent.
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The best answer would be the option B) <span>mediate disputes between management and labor.
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Jose lopez portillo y pacheco