I believe the answer to your question is Initiative. 
I feel this because the definition of an initiative is a process in which citizens can put a proposed new law directly on the ballot in the next election by collecting voters' signatures on a petition. 
        
                    
             
        
        
        
C would be the least powerful, as the speaker's uncle is not acclaimed on the subject of HIV at all. 
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Answer:
VALS, an acronyms for Values and Lifestyles
Explanation:
 
        
                    
             
        
        
        
Answer:
selection              
Explanation:
Selective perception: In psychology, the term "selective perception" is one of the different types of perception and is described as a process through which a person perceives whatever he or she wants to related to the media messages whereas ignores opposing viewpoints. However, selective perception is referred to as a broad term to identify different behaviors of persons that he or she exhibits to watch out things which are based on a specific frame of reference. 
In the question above, the given statement represents the selection part of the perception process.