<span>the invasion of Japan that cost tens of thousands of American lives. </span>
        
             
        
        
        
Made their own trade and political decisions. 
        
             
        
        
        
Answer:
The first and last one
Explanation:
I did the test like a bunch of times 
 
        
                    
             
        
        
        
It benefited in numerous ways but mainly it and maybe most importantly it gave them the access to the China trade. The Pacific route was also Spain's exclusively for a certain period of time and there was also a great need for silver in China which was supplied by the Spaniards from their silver mines. 
        
             
        
        
        
yes i believe so! hope this helps :D