I believe the answer is: Market Economy
In the market economy, the type and price of a certain product would be completely driven by the the amount of supply and demand in the market. People in market economy had the right to choose the type of job or goods that they want to produce and tend to be benefited by inventing a new products that well liked by the market.
 
        
             
        
        
        
Life is attainable at any aspects
        
                    
             
        
        
        
1. Histiography
2. Ideologies 
3. Sources
        
                    
             
        
        
        
Thomas Savery's steam<span> pump. The industrial use of </span>steam<span> power started with Thomas Savery in 1698. He constructed and patented in London the first </span>engine<span>, which he called the "Miner's Friend" since he intended it to pump water from mines.</span>