One of the biggest reasons was that there were some revolutions that happened around the lat 19th century. They were primarily sparked by lower class individuals who were looking for more money to support themselves/families.
        
             
        
        
        
Answer:
False 
Explanation:
:D i took the test on this and im pretty sure i got this one right, but if not im super sorry!!! :( 
 
        
                    
             
        
        
        
Answer:
I'm not sure i can understand that passage 
 
        
             
        
        
        
Answer:
Japan practiced a strict isolation policy up until the signing of the Kanagawa treaty on March 31, 1854. This opened the borders of Japan and forced them to trade with the rest of the world. Japan feared the escalation of the situation and succumbed to the United States and opened its ports for trade. After that Japan modernized and grew in power.
 
        
             
        
        
        
Answer:
Localizada entre 15 e 35 quilômetros de altitude e com cerca de 10 km de espessura, contém aproximadamente 90% do ozônio atmosférico.