Lyle wants to write an essay about how the government should cut back on some of its current expenditures on space exploration. He wants to acknowledge that NASA has made several achievements related to space exploration and that those achievements have played a significant role in boosting the morale of the country. He also wants to emphasize that space exploration is less significant than a host of everyday issues the country faces. He wants to suggest that redirecting some of the funds spent on space missions to fields such as education or medical research would be more beneficial to humanity. Given Lyle's ideas for his essay, which of the following is the best thesis statement?