Answer: 
I believe the answer is c
Explanation:
 
        
             
        
        
        
Mary-obeying laws
Beth- staying informed
Leonardo- respecting other’s opinions
        
             
        
        
        
The correct answer is "prediction models". Political scientists have developed prediction models that help to clear doubts about the veracity of the presidential elections. This tool takes into account economic and sociological factors as well as public opinions to predict who is the winner in upcoming presidential elections.
 
        
             
        
        
        
Answer:
Consumer: A person who purchases goods and services for personal use.
Needs: Of necessity
Wants: Have a desire to possess or do (something); wish for.
Priorities: The fact or condition of being regarded or treated as more important.
   
I don't know if this is exact but hope it helps anyway.