1) prevailing westerly winds 
2)the North Atlantic Drift ocean current
ႊ့These two moderates much of the air temperature over Northwestern Europe.
Hope this helps!
        
             
        
        
        
Answer:The answer Hydraulic Action (Wave Erosion)
Explanation:
 
        
             
        
        
        
Like the atmosphere, the ocean transports and distributes heat on Earth, helping to regulate climate.
 
        
                    
             
        
        
        
I assume that the question refers to the political affiliation of the Islands (They are Islands in the Mariana Trench, in the Pacific Ocean, south of Japan) - they are politically linked to the US - the correct answer is a). For example the Mariana islands have a commonwealth status within the US.