One of the most significant factors that led to the increase in the number of Latin Americans in the middle class in the late 19th century was the revolutions that took place around 1848, since these were initiated by primarily lower class people looking for a stronger socio-economic standing.
        
             
        
        
        
Answer: I would say B
Explanation: Because I know that A and D are true and I'm pretty sure that Texas Merchants did vote against the secession, as the people of Texas did vote against the secession which is another reason why I think B is the correct answer.
 
        
                    
             
        
        
        
they vented and gived in to maos reign