Quebec was a French colony so they Speak French- Aztlan was a Spanish-Mexican Colony,So why Spanish is denied?

AZTLAN = The U.S. SouthWest from Texas to California.
AZTLAN = The U.S. SouthWest from Texas to California.

AZTLAN = The U.S. SouthWest from Texas to California.

AZTLAN = The U.S. SouthWest from Texas to California.