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How did the Spanish extend their northern buffer zone to the west in the 1760s?

They established the Santa Fe Trail.

They defeated the Navajos.

They colonized the California coast.

They built forts in Texas.

Respuesta :

Answer:

they colonized the california coast

Explanation:

Answer:

they colonized in california

Explanation:

this incresed their area in the north and provided the "buffer zone" they were looking fir as protection from the north

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