It is b Japan because it is the only one that has a similar feudal system with Europe
        
                    
             
        
        
        
Answer:
Scientists use Scientific Notation to write or display very small or very large numbers. 
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Answer: A. Navajo Indians in the U.S. Marine Corps developed an unbreakable code using their native language.
Navajo is a language that is not written and is very complex with its incomprehensible syntax, tonal qualities and especially the dialects. That is the main reason that Navajo language was used to secure communications during the war.
        
                    
             
        
        
        
Answer:
Yes, I believe that the Underground Railroad is an appropriate name for the network to aid slaves. The Underground Railroad, like a real railroad, had defined routes and stops along the way. The word “underground” can take the literal meaning of being underground, but it can also take the meaning of being hidden or secret. Therefore, I believe that the Underground Railroad is a fitting name.
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Answer: It was read at a meeting place
Explanation:
None of the other answers would make sense