The main causes of World War I were Mutual Defense Alliances, Imperialism, Militarism, Nationalism, and the assassination of Archduke Franz Ferdinand. 
        
             
        
        
        
I believe the answer is: The flurry of investing artificially raised the price of stocks
The value of stock in speculative investing would be depended on the amount of people who buy the stocks rather than the company's performance in the market. This would give the impression that a price for a stock is higher than it supposed to be and weaken the stability in the stock market.
 
        
                    
             
        
        
        
<span>The MTV generation signifies the group who witnessed the end of the analog age and the beginning of the _____ age.
b. </span>millennial
        
                    
             
        
        
        
Tell people about history