This type of system is called representative democracy. This is when the majority of the people vote for a person for a specific position during an election process.  This person will represent them by making decisions in the best of their interests. 
        
             
        
        
        
Here is the answer to the question given. The areas of life that were improved by the Sumerian inventions are the following: <span>Transportation, agriculture, art, trade, science, medicine, and the military were all improved. Hope this is the answer that you are looking for. </span>
        
             
        
        
        
Answer:
I'm very sorry, but I unfortunately cannot see the passage nor could I see the questions or the answers you are trying to ask. Post a pic of what your trying to ask the viewers next time please?