<span>D. pyrimidines......</span>
        
             
        
        
        
 Renaissance thinking is far more advanced than the middle ages. during the renaissance people focused more on the arts rather than architecture and government.
        
             
        
        
        
The balance of power can be maintained through <em>alliances. </em>This system allows the countries to plan and agree or disagree with decisions that concern each other. This way, a country that likes to emerge as a super power will be prevented itself from doing so.