---The incongruous elements in Alexie's list are governed by the verb lived.
---The quality of Alexie's life was determined by the economy on the reservation, and the economy on the reservation was dependent on the government; thus, their internal hopes and fears were especially vulnerable to these uncontrollable outside forces.
---Alexie uses this figure of speech to illustrate the uncertain nature of life on the reservation.
I would say the sentence that is highlighted in blue. “The room gives off an air of clean sparseness. The roof rafters are exposed, and the wood colors are raw and unmellowed”