Answer:
It was caused by a decreasing death rate.
Explanation:
I mean, that's kind of the only way lol
 
        
             
        
        
        
<span>Since the Paleolithic Era was also known as the "Old Stone Age" this means that this humans primarily used stone for tools, although other materials such as wood were sometimes also used.</span>
        
             
        
        
        
Became commander of the American army and began to organize it. 
 
        
                    
             
        
        
        
Democracy is an elective system that the people are the government.