The average closing price in 1924 was 2196......
 
        
                    
             
        
        
        
Scientific innovations created jobs for Americans by that product going nation-wide. What that means, is that when someone's scientific innovation went nation wide, or even global, they wold have to build factories, and places to make and sell that product. With those new buildings, comes new jobs, and he economy is improved. Take Thomas Edison for example. He commercialized the light bulb. When it became popular, he build huge power plants to build his product. He had to have people build his product inside the power plant. Those new jobs were filled by Americans.
        
             
        
        
        
Early in the twentieth century, rapid economic and technological change, increasing competition among powerful states, and resistance to European domination worked together to destabilize the world system. Underlying tensions and weaknesses led to a series of crises that altered the world in several important ways.
        
             
        
        
        
Answer:
its a      virgil is the main character
Explanation:got a 100
hope this helps;)