The correct answer is B: Immigration was based on the national origins quota system. The National Origins Act was a United States federal law that set the amount of immigrants from certain countries that were allowed to enter the U.S. Admission to the U.S was determined by ethnic identity and national origin. It reduced the number of southern and eastern Europeans and excluded Asians  entering the country.
 
        
                    
             
        
        
        
Answer:
they focused on and promoted a national identity : They enforced ideas about the inferiority of some races
 
        
                    
             
        
        
        
Immigrants were taken from their ships to be processed at Ellis Island before they could enter the country. About 12 million immigrants would pass through Ellis Island during the time of its operation, from 1892 to 1954. Many of them were from Southern and Eastern Europe.
 
        
                    
             
        
        
        
I didn’t expect this site to be used to help with full essaysXD I don’t think anyone’s gunna help you with this one man, might as well just start writing urself.
        
                    
             
        
        
        
The answer is Oculus. Hope that helps! ^-^