The correct answer is agenda control.
Agenda control refers to phenomenon whereby the media (television, newspapers, movies, magazines, etc.) shapes and influences people's thoughts and perceptions of the world. This occurs as a result of over reporting topics such as crime, terrorism, corruption, etc., while under reporting other prevalent occurrences in society. By selectively providing information to consumers, the media influences the public's opinions and perceptions. 
        
             
        
        
        
An example of a command economy is like the Soviet Union North Korea and Cuba
        
                    
             
        
        
        
Answer:
I think Civil Wars.
There are many wars in Africa because of poorness and ungrateful and weak government systen 
 
        
             
        
        
        
Answer:
Ammonia Nitrifying, Nitrite Nitrifying, Denitrifying 
Explanation: