Our aim is a democratic peace, a
peace founded upon the dignity and rights of every man and woman.—President
Bush, 2004 State of the Union. It means that democracy, when handled properly
means that the rights of every man and woman can be attained.
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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In my opinion I think it would be C:Social organizations because when your social you learn new things.