*Nelson, Steve (July 15, 2018). [https://www.washingtonexaminer.com/news/white-house/trump-calls-eu-a-foe-ahead-of-putin-meeting Trump calls EU 'a foe' ahead of Putin meeting]. ''Washington Examiner''. Retrieved July 15, 2018.
*Samuels, Brett (July 15, 2018). [https://thehill.com/homenews/administration/397086-trump-the-european-union-is-a-foe Trump labels the European Union a 'foe']. ''The Hill''. Retrieved July 15, 2018.</ref>
*Among numerous other statements promoting an "America First" foreign policy, President Trump stated at a diplomatic press conference in April 2018 that the United States should prioritize its own needs rather than act as the "policeman of the world."<ref>Samuels, Brett (April 30, 2018). [https://thehill.com/homenews/administration/385521-trump-we-dont-want-to-be-the-policemen-of-the-world Trump: We don't want to be the policemen of the world]. ''The Hill''. Retrieved April 30, 2018.</ref> On December 4, 2018, Secretary of State [[Mike Pompeo]] gave a speech promoting [[national sovereignty]] and questioning criticizing multilateralism.<ref>Multiple references:
*Taylor, Guy (December 4, 2018). [https://www.washingtontimes.com/news/2018/dec/4/mike-pompeo-trumpets-donald-trump-foreign-policy-e/ Pompeo blasts European allies as 'just plain wrong' for criticizing Trump]. ''The Washington Times''. Retrieved December 4, 2018.
*[https://www.voanews.com/a/us-takes-aim-at-china-iran-russia-over-treaty-violations/4685951.html Pompeo Takes Aim at Global Institutions, Gets Pushback]. ''Voice of America'' (from the ''Associated Press''). December 4, 2018. Retrieved December 4, 2018.