I believe they were used to spread Christianity
        
             
        
        
        
England and France
England: War of 1812
France: The reign of Napoleon and consequently, war
        
             
        
        
        
 klimanjaro is the largest mountain
        
             
        
        
        
Answer:
The partition between Eastern and Western Europe was know as the Iron Curtain and The collapse of communism in Eastern Europe and the Soviet Union brought an end to the Cold War.
Explanation:
Why the other two are wrong:
1. NATO was created against The Soviet Union by several Western European Countries
2. The city of Berlin was divided for only 30 years
 
        
             
        
        
        
D. Islam. Muhammad is the most beloved prophet in Islam, and the Qur'an is the holy book of Muslims :)