Mexicans in the U.S. Civil War 

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Texas-Mexico Trade Routes
 Civil War battle and skirmishes in southern Texas

 
 
 
 Pontoon bridge over the Rio Grande to Brownsville, Texas
Union fort in Santa Fe, New Mexico

 
 
 
Fort Brown arsenal, Brownsville, Texas
Fort Brown guardhouse, Brownsville, Texas

 
 
 
Cotton bales on Matamoros wharf arrived across the Rio Grande from Brownsville, Texas (background)

 
 
 
Tejanos in the Union Army.