Gunpowder was invented somewhere around 900 in China.
Well, that's basically it... :P
        
                    
             
        
        
        
Answer:
Many people could not pay what they owed to banks,
Explanation:
 
        
                    
             
        
        
        
Japan aggressively expanded the territories under its influence, taking over parts of China, invading territories claimed by the Soviet Union, and fighting across the Pacific during World War II.
        
             
        
        
        
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