D(set in motion, cause to start
        
             
        
        
        
Main Idea: The main idea is that tigers are going extinct but now acts are being done to help this from happening.
SD1: "A study released that the world's wild tiger population has risen for the first time in century"
I can't figure out the other 2 details.
Sorry.
        
             
        
        
        
You will B. Catch up on or D. Study up on
        
             
        
        
        
Answer:
Option 1
Explanation:
Dr. King had a dream, and that dream became possible when both The Civil Rights Act of 1964 and The Voting Rights Act of 1965 were passed and made law in The Constitution of the United States.
 
        
             
        
        
        
Answer:
1) The subject domain
2) The document domain
3) The media domain
Explanation:
These are the 3 domains of content structure/writing.