true or false: louisiana was to be used as a buffer zone
from the silver mines in mexico.

False, Louisiana was not used as a buffer zone from silver mining in Mexico.

Explanation:

Penasquito was the world's largest silver mining located in the Northeastern part of Mexico. Canadian gold corp company owns this silver mining. Argentum is the most important ore of silver.

The silver is then extracted by the process of smelting. A further process like electrolytic refining also takes place. Mexico is the world's largest producer of silver and the best silver is found in Mexico.