The United States under Trump: Against the World, Its Own People, and the Migrant Diasporas By Gonzalo Santos[1] Abstract This essay attempts to analyze the present conjuncture in the United States, Latin America, and the Caribbean, from the perspective of the historical sociology of the world-system. Its underlying thesis is that the internal crisis in the U.S., which so profoundly affects the migrant diasporas now fiercely persecuted, and the renewed imperialist foreig