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Adam Smith wrote the book
        
                    
             
        
        
        
Answer: Railroad
Native American tribes had already been struggling for decades before the construction of a railroad began to be planned. However, the railroad was a catastrophic event for the Natives' way of life. The railroad forever altered the landscape of their traditional land, as well as caused the disappearance of wild game, such as bison. This was particularly destructive to the Plains people, who depended on the bison for nearly all of their needs.
The railroad also increased conflict between the Native people and the colonizers. It allowed white settlers to move to areas originally only inhabited by Native tribes, causing land disputes, deaths and displacement.
 
        
                    
             
        
        
        
Gain rights for the white Anglos--Americans allowed to settle in the Texas region had been rioting against Mexican controls and eventually choose to break free. 
Mexican government allowed white Americans to access lands and create the Texas region. They were expected to be Catholic and follow Mexican laws. Under the leadership of Stephen Austin more whites came from America until eventually outnumbering the Mexican. Riots began between the two groups and when the Mexican government tried to end the rebellion, white Texans declared independence. <span />
        
             
        
        
        
Answer:
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