Answer:
The Byzantines sent wave after wave of christian missionaries to the Slavic lands, which sorrounded the Byzantine Empire.
Two of the most important missionaries were Saint Cyril and Saint Methodious. They were brothers, and converted many slavs to Orthodox Christianity, specially those living in Moravia. They also invented the cyrilic alphabet to give a script to the Slavic languages, and help spread christianity faster. Hence the name of the alphabet.
 
        
             
        
        
        
B is the answer*÷,;÷*$,,÷[×,× ksudknwkwhsbouwnw
        
                    
             
        
        
        
A trader sailed 2,800 miles <span>to go from mombasa, africa, to calicut, to india</span>
        
             
        
        
        
Answer:
Abolition played an important role in focusing attention on the evils of slavery as an institution. It also dramatized the role citizens could play in challenging accepted practice in the United States. 
Explanation: The Abolition movement challenged accepted practices in the United States. 
 
        
             
        
        
        
I believe THE ANSWER IS  A,D