Firsthand accounts : eyewitness account, letter from a general to his troops, an interview of a war veteran
Secondhand accounts: television documentary, article
 
        
             
        
        
        
Well, the Western Cherokees perpetrated attacks of their own. Although the United States tried to negotiate peace between the Osages and the Western Cherokees, the Western Cherokees Desiree revenge. U.S. officials feared that after the attacks against Clermont's village, the Osages would respond with more violence, impeding eastern Indian migrations.  It was viewed as necessary after only 6,000 members of the Five Tribes voluntarily moved west. Proponents believed that Five Tribe members would have a better opportunity of becoming «civilized» if they were separated from Anglo society. 
 
        
             
        
        
        
Answer:
B. It established two houses: the House of Representatives where state size determined number of  representatives, and the Senate where each state would have only two senators no matter what its size
Explanation:
The Great Compromise led to the formation of a bicameral legislature that comprised of the House of Representatives and the Senate. The problem which led to the formation of these houses was the contention between the small and large states. The large states wanted representation on the basis of numbers while the small states wanted representation equal representation to avoid domination by the larger states.
 Roger Sherman and Oliver Ellsworth proposed this Great compromise that eventually resolved the problem between the opposing parties. The house of representatives allowed the representation of the states on the basis of numbers while the senate allowed each state no matter the population to only have two elected representatives.
 
        
             
        
        
        
A. Ordinary people are capable of governing themselves. I THINK
        
                    
             
        
        
        
Answer:
B (Emergency quota act) 
Explanation:
I am not well fared with the other points, however, the act of 1921 is connected to the fear of increased immigration and radicalism in congress.