A. plot
The plot is essentially the heart of a story.
        
                    
             
        
        
        
Answer:
The main idea of Thurgood Marshall's speeches was the importance of civil rights. Toward that end, he emphasized the idea of the Constitution as a living document and the significance of the individual. The defense of democracy and of equal justice under the law required constant vigilance.
Explanation:
 
        
             
        
        
        
Civil rights are an essential component of democracy. They're guarantees of equal social opportunities and protection under the law, regardless of race, religion, or other characteristics.
<h3>What was the first march?</h3>
The first march took place on March 7, 1965, organized locally by Bevel, Amelia Boynton, and others. 
State troopers and county posse men attacked the unarmed marchers with billy clubs and tear gas after they passed over the county line, and the event became known as Bloody Sunday.
For more information about The first march, refer to the link:-
brainly.com/question/2340760
 
        
             
        
        
        
<span>to create a recurring image or theme within the text</span>