Answer: In The Way to Rainy Mountain, the most important insight Momaday gained about his heritage during his pilgrimage was how much the cultural identity of the Kiowas had declined over the span of his grandmother's life.
True, because a simple tool such as a hammer is a technological advancement. Advanced transportation is a more obvious definition of an technological advancement.
The allusion, "Hades", references the Greek God of Death and "shores of Acheron" references the outermost portion of Hell. This affects the mood by dampening the audience's spirits and foreshadowing future events.