Stephen Douglas played a great role in the Kansas Nebraska Act. 
        
             
        
        
        
Answer: 
Socialism Some of the primary criticisms of socialism are claims that it creates distorted or absent price signals, results in reduced incentives, causes reduced prosperity, has low feasibility, and that it has negative social and political effects.
Explanation: 
 
        
                    
             
        
        
        
The Kaiser of Germany during World War I was Wilhelm II.
        
             
        
        
        
The German members of the Nazi Party was the group that carefully studied the American eugenicist movement.
<h3>What is the 
eugenicist movement?</h3>
The social movement was concerned with improving the human species by selectively mating people with specific desirable hereditary traits.
In conclusion, the German members of the Nazi Party was the group that carefully studied the American eugenicist movement.
Read more about eugenicist movement
<em>brainly.com/question/7253798</em>
<em />
#SPJ4
 
        
             
        
        
        
A.
Their idealized landscapes encouraged westward migration.