The correct answer is D: Christopher Columbus who was born in Genoa, Italy.
 
        
                    
             
        
        
        
Answer:
Belgium's  ports were close to the British coast and German control of Belgium would have been seen as a serious threat to Britain. Britain refused to ignore the events of 4 August 1914, when Germany attacked France through Belgium. Within hours, Britain declared war on Germany.
Explanation:
 
        
             
        
        
        
Answer:
In ancient times and during medieval times there was a transformation in the teaching methodology at the first European universities. Teaching efforts were made to train people who pretended to be part of the clergy in the seven liberal arts. 
These seven arts were divided into two groups:  the<em> "trivium"</em>, which included grammar, dialectics and rhetoric, and the <em>"quadrivium"</em>. 
<em>Quadrivium </em>(means “Four paths”). In This area music, arithmetic, geometry and astronomy were integrated.
- Arithmetic: study of numbers.  
 - Geometry: study of space.  
 - Astronomy: study of the stars or the space in movement  
 - Music: study of the songs and mathematics in movement.  
 
 
        
                    
             
        
        
        
Well they used the tribute as sort of a tax for the empire. it helped them advance in troops architecture and religion