The question ask to state the reason why President Tito of Yugoslavia was able to resist the pressure from the Soviet Union in 1948 to become a soviet satellite and the reason is letter B. there were no Soviet troops in Yugoslavia. I hope you are satisfied with my answer and feel free to ask for more 
        
                    
             
        
        
        
I assume you mean the Golden Islamic time from 8th to 13th century!
During this time, Islamic scholars were among the world's best. Among others they: 
made achievements in maths (which is why algebra and algorithm are arabic words)
worked on scientific experiment as a technique to pursue knowledw
had some advancements in astrophysics (first reference to Andromeda Galaxy!
had a lot of advances in medicine, such as study of blood circulation, and of nervous system
        
             
        
        
        
The correct answer is B. 
It helps illustrate changes in landforms over time and it shows the impact of human habitation on an area: We are able to compare two different images from the same area in a particular place on earth to compare them and understand how this specific place changed over time. Geographers are able to recognize the widespread changes to an area with views from satellite imagery.
 
        
             
        
        
        
Buddhist he is also know as Buddha