How do the images of travel in part 46 of "song of myself" contribute to the poem’s theme? a) they suggest that human life is impermanent. b) they show that growth involves a steady movement forward. c) they remind readers that the poem is about journeying within one’s self. d) they suggest expansiveness, or extending one’s reach outward.

Read this excerpt from leah missbach day's foreword to wheels of change.bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world.what is the author's purpose for including this in the foreword?