The United States and Europe Under President Trump: Strategic Frictions in Greenland, Tariffs, and NATO. Journal of Politics and International Studies, [S. l.], v. 12, n. 1, p. 192–199, 2026. Disponível em: https://jpis.pu.edu.pk/45/article/view/1458.. Acesso em: 1 oct. 2026.