. . . "U.S. expansionism into Mexico and the Caribbean in the 19th and 20th centuries was, as scholars such as George Handley, Amy Kaplan, Jos?? Lim??n, and others have demonstrated, inextricably linked to notions of (white) racial supremacy and doubts about the capacity for self-government of ???non-whites.??? Rigid ideas about race in the U.S. (e.g., the ???one drop rule???) were exported to and impose" . .