Read the excerpt from "We Are Determined Not to Sell Our Lands." Brother, at the treaties held for the purchase of our lands, the white men, with sweet voices and smiling faces, told us they loved us, and that they would not cheat us, but that the king’s children on the other side of the lake would cheat us. When we go on the other side of the lake, the king's children tell us your people will cheat us. These things puzzle our heads, and we believe that the Indians must take care of themselves, and not trust either in your people or in the king’s children. Which best describes the strategy Sagoyewatha uses in this excerpt to develop the central idea of his speech?