Analysis / Next Gen CommunityAmerica First, Allies, and Adversaries: Balancing Arms Control and Nonproliferation ByLachlan Mackenzie and Catherine MurphyPublished May 1, 2025President Trump appears willing to make significant concessions on regional security issues—potentially including support for key partners—to bring adversaries to the negotiating table. Three areas of U.S. policy will influence whether this approach raises the risks of allied proliferation: the administration’s approach to nuclear modernization, extended deterrence, and security concessions.