After the Mexican War of Independence from Spain also, California, Nevada, Arizona, Utah, western Colorado and southwestern Wyoming became part of the Mexican territory of Alta California and most of New Mexico, western Texas, southern Colorado, southwestern Kansas, and Oklahoma panhandle were part of the territory of Santa Fe de Nuevo México. The geographical isolation and unique political history of this territory led to New Mexican Spanish differing notably from both Spanish spoken in other parts of the United States of America and Spanish spoken in the present-day United Mexican States. COUNT 4
QSN1 What states made up of Alta California ANS1 California, Nevada, Arizona, Utah, western Colorado and southwestern Wyoming became part of the Mexican territory of Alta California QSN2 When did other states become part of Mexico? ANS2 After the Mexican War of Independence from Spain QSN3 What states were part of Santa Fe de Nuevo ANS3 most of New Mexico, western Texas, southern Colorado, southwestern Kansas, and Oklahoma panhandle were part of the territory of Santa Fe de Nuevo México QSN4 Why is  there still Bilingual  spoken in these states? ANS4 The geographical isolation and unique political history of this territory