Sociolinguistics ; Uniform structure principle (biling.) ; Matrix language (biling.) ; Language diffusion; Language shift; Sprachwechsel; Language spread ; Angloamerikanismus; Angloamericanism; Americanism (Angloamericanism) ; Chicano English; Mexican American Vernacular English; MAVE; Latino English; Hispanic American English ; Chicano; Puertoricans; USA (span. Sprache in den) ; Mexican American Spanish; USA (Spanish language in the) ; Spanglish; Inglañol; Tex-Mex; Spanish in the USA