Overview As Donald Trump’s administration comes to power in Washington, the postwar security policy of the US is undergoing a monumental transition. The new president’s campaign rhetoric strongly intimated that under his self-proclaimed ‘America first’ posture, traditional American strategy and alliance politics would undergo a major change. His approach to dealing with allies and adversaries will be based less on their traditional roles in US foreign policy and more on how he and his foreign and security policy team view other countries’ willingness to adjust their own policies to conform with a markedly different set of US economic and strategic priorities. This paper looks at North Korea, Southeast Asia, Australia and region-wide conc...