The final paragraph supports the author's claim that being chosen as an Olympic host city improves the well-being of its residents by stating, "Cities are able to show pride in their county, employ people to improve infrastructure, and profit from the tourism dollars added to the community." This highlights the benefits, such as increased pride, job opportunities, and economic gains from tourism, which collectively contribute to the well-being of the residents. Therefore, the correct answer is:
It reveals reasons why cities want to host the Olympics.