Poverty/struggle: "no blankets"
Marginalisation: "at last I was granted permission"
Broken promises: "cannot understand", "broke his word", "promise"
Listing: "Great Father Chief; the next Great Chief; the Commissioner Chief; the Law Chief; and many other law chiefs" - many people but no fixes.
Emotive language: "justice"
Possessive: "my dead people", "my country" - still his people's country, even with white settlers.
Declarative sentence (short): "I am tired of talk that comes to nothing" - finality, disappointment - evokes sympathy.
Juxtaposition: "good words and all the broken promises" - sympathy, emphasising highlights lies and misleading's of the government - mistrust.
Rhetorical question: "If you tie a horse to a stake, do you expect he will grow fat?" before metaphor in order to add emphasis.
Allegorical: "if you pen an Indian up on a small spot of earth and compel him to stay there, he will not be contented nor will he grow and prosper." - metaphor to represent his people.
Requesting, not demanding: "I only ask", "let me", "I would like" - power dynmaics.
Anecdotal: "three have died since I left my camp to come to Washington" - evokes sympathy, highlights reality of the situation.
Collocation + alliteration: "heart is heavy" - "heart" is cultural.
Defeatist: "I know that my race must change" - he now needs to work with the white people because he has no power.
Trying to bargain: "let me be a free man", "submit to the penalty" - he will obey if they allow him freedom- still under control by the white people in reality.
Religion: "white men treats the Indian as they treat each other" - reference to Christian Bible teachings, that you should treat your neighbour kindly. Treat each other how you want to be treated.