How we cite our quotes: (Section.Sentence)
Quote #1
An Act to provide for the allotment of lands in severalty to Indians on the various reservations, and to extend the protection of the laws of the United States and the Territories over the Indians, and for other purposes (1.2). (Emphasis ours)
There is power in ambiguity. By including "and for other purposes," the legislators could've written just about anything into the Dawes Act and made it law.
Quote #2
Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That in all cases where any tribe or band of Indians has been, or shall hereafter be, located upon any reservation created for their use, either by treaty stipulation or by virtue of an act of Congress of executive order setting apart the same for their use, the President of the United States be, and he hereby is, authorized, […] (1.3)
See, it's not even important that we include what the President is authorized to do. The whole gist of this statement is about how the Senate, House, and President hold all the cards.
Quote #3
That the allotments provided for in this act shall be made by special agents appointed by the President for such purpose, and the agents in charge of the respective reservations on which the allotments are directed to be made, under such rules and regulations as the Secretary of the Interior may from time to time prescribe, and shall be certified by such agents to the Commissioner of Indian Affairs […]. (3.1)
No question who's in charge here.