"Be it enacted by the Senate and House of Representatives of the United States of America... That for the purpose of providing against the further decline and final extinction of the Indian tribes... And for introducing among them the habits and arts of civilization, the President of the United States... Is hereby authorized... To employ capable persons of good moral character, to instruct them in the mode of agriculture suited to their situation; and for teaching their children in reading, writing, and arithmetic" Excerpt from "An Act Making Provision for the Civilization of the Indian Tribes Adjoining the Frontier Settlements," 1819. Why is the highlighted part of the sentence an example of irony?