The different perspectives in these passages help the reader learn about the context and background of the moon landing in 1969. The first passage provides a brief overview of the events leading up to the moon landing, including the flights of Gagarin and Shepard and President Kennedy's challenge to land a man on the moon before the decade is out. The second passage provides more detail about President Kennedy's challenge, specifically mentioning the specific goal and timeline he set for the moon landing. Together, these passages provide a sense of the historical context and motivations behind the moon landing and help the reader understand the significance of this event in the larger context of space exploration and American history.