U.S. soldiers wait to deploy to Europe from Hunter Army Airfield in Georgia, March 2022
Michael A. McCoy / Reuters

As the U.S. Republican presidential primary heats up, so too will the debate about the future of conservative American foreign policy. Although most of the declared and likely candidates will probably attempt to assume the mantle of “America first,” there are substantial differences among them on the question of what a conservative foreign policy should entail. Former U.S. Ambassador to the United Nations Nikki Haley and former U.S. Secretary of State Mike Pompeo have indicated that they see continued military support for Ukraine as essential, for instance, whereas former U.S. President Donald Trump and Florida Governor

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