What name was given to the allied plan to invade france?

Which of these statements best describes the ambiguity in this excerpt

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife

Which statement best explains how the narrator interacts with the setting? a.the setting makes him lose hope b. the setting makes him envious c. the setting makes him feel angry d. the setting makes him gain confidence the answer is a