Answer: B.) Went extinct
Explanation:
Neandertals were a subspecies of the the ancestors of modern humans and they occupied Eurasia while they were alive up to 40,000 years ago. 
It was originally thought that Europeans may have descended from them but this was found not to be true even though traces of their DNA exist in very small quantities in Europeans. Rather they went extinct due to multiple factors including possible conflict with modern humans. 
 
        
             
        
        
        
Answer:
 Army horses took over Canyon de Chelly grazing grounds, In 1860, 1,000 warriors attacked Fort Defiance, For 10 years there were attacks and reprisals by both the Navajo and the Army.
Explanation:
 
        
                    
             
        
        
        
Lives, but in terms of material possessions it most likely would be things like gold or money etc