Which war? WWI: We were isolationists until illegal German U-boats sank a United States commercial ship called the Lusitania.
WWII: We were isolationists until December 7, 1941 when the Japanese air fleet surprise attacked and bombed us at Pearl Harbor. 
 
        
             
        
        
        
Answer:
I believe its 2, good luck 
 
        
                    
             
        
        
        
Answer:
true
Explanation:
a folder keeps your stuff stored neatly making it easier than not having a folder
 
        
                    
             
        
        
        
Answer: Between about 47,000 years and 9.8 billion years after the Big Bang, the energy density of matter exceeded both the energy density of radiation and the vacuum energy density.
Explanation:
 
        
             
        
        
        
Answer:
According to Confucian philosophy, society could not survive without agriculture. One-Third were artisans because they produced nonessential goods. 
Explanation:
Merchants were at the bottom of the social order because they generated wealth without producing any goods.
Hope this Helps :)
Melina B.