Its northern states have joined those that lie across the United States border to form a sinister no man's land called Mexamerica.

Celluloid Nationalism and Other Melodramas: From Post-Revolutionary Mexico to fin de siglo Mexamerica.

Mexamerica - the southern and Central Valley portions of California as well as southern Arizona, the portion of Texas bordering on the Rio Grande, most of New Mexico, northern Mexico, and the Baja California Peninsula.