C he's worried about the kids
The authors use rhetorical devices to increase the credibility of the essay. This is the most correct answer of all those mentioned because it directly corresponds to ethos, the rhetorical appeal to credibility.
Abraham Lincoln adressed the American people with a speech that, as a side fact, is one of the most quoted speeches in the history of the U.S.
Over the years scholars have analyzed the speech, and they suggest that Lincoln used extreme care with his words. He wanted to deliver a heartfelt and precise message in moments of extreme national crisis. The magnitude of the battle in Gettysburg stunned the whole nation, and the dedication of a cementery at the site of the Civil War's most pivotal battle was seen as a solemn event, that empathized with the whole nation.
He placed this battle within the larger context of the American history, by making reference 87 years before to it's foundation. Lincoln sought to transform America by making an attempt at redefining liberty and nationalism by fusing the two together. Lincoln forever changed the way we think about the country.
