VISUAL ACTIVITYPioneers Heading West Pioneers headed west in covered wagons, on horseback, and by foot, and all three are captured in this photograph from the harsh Southwest. We do not know the fates of these travelers, but we can hope that they fared better than many who braved the trip.READING THE IMAGE: Based on this photograph, what were some of the difficulties faced by pioneers traveling west?CONNECTIONS: How did wagon trains change the western United States?