NATO plays a critical role in maintaining international security and preventing terrorism. The 67-year-old alliance has protected—and will continue to protect— U.S. security, fending off the Islamic State of Iraq and the Levant (ISIL) and deterring Russian aggression.
Several NATO member-countries have failed to fulfill their obligations to the U.S., such as contributing the required two percent of national GDP to their military to support mutual defense. The U.S. should not have to bear the brunt of the alliance.