How does the article "Caring for Vets Should Be National Duty," develop the central ideas that nonprofit organizations are helping veterans and that the government should take more responsibility for caring for veterans?

by explaining how the nonprofit organizations raise funds for veterans and describing how government programs are funded

by listing examples of nonprofit organizations and explaining how these organizations work with the government

by explaining that one nonprofit has been helping veterans for over a decade and emphasizing that the government should be doing more

by describing how services provided to veterans by nonprofit organizations differ from those provided by the government and stating the government services are inferior