Your answer would be be D). He targeted and attacked various people.
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What Joseph McCarthy did was hunt down people in the government, or in other words, he made false accusations that some of the government employees were communist, those people being in the State Department and the U.S Army. He targeted people in the government and the army. During their time when people were against Communism, people actually believed what he said and he gained a lot of followers because of it.
 
        
                    
             
        
        
        
Where in the world did you here this from
        
             
        
        
        
It represents the ideals and the opinions of all the citizens. So basically, there are three branches of government; the judicial, executive, and the legislative. The legistaltative branch takes into consideration the votes of the people and create laws, the exectutive branch enforeces these lawas, adn the judcial branch interprets the laws. All three branches keep each other in check so one branch doesn't get too much power. For instance, the legistalative branch can veto the executive branch. 
but governents from different countries negotiate through the united nations to reach agreements that are beneficial for the countries.