As the manifest destiny is a belief that states it was God's will that Americans spread over the entire continent, and to control and populate the country as they see fit. in  fact, it was used before civil war to validate the acquisition of continental territories like oregon, for example.This is the central idea that the author suggests by Cordilia's ideas in her letter.
 
        
             
        
        
        
Answer:
in comparison to other books about Benjamin Franklin the autobiography probably gives you the best insight into 
the moral values of the time - D.
 
        
             
        
        
        
The answer would be B because it includes the word I.
        
                    
             
        
        
        
Either
The overpopulation problem is so dire that selecting some humans to be a food source is a just solution.
Or
There are no reasonable objections to the author's proposal.
 
        
             
        
        
        
We can see that the research question that is most effective is: D. What are fossil fuels?
<h3>What is research question?</h3>
Research question is actually known to be a question which is asked by a researcher which forms the basis for his evaluation, examination, and experimentation. Every good research question must be clear and focused.
We see that the selected answer is actually clear and focused and covers other aspect of the research.
Learn more about research on brainly.com/question/6947486
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