C. because if you petition government officials
        
                    
             
        
        
        
Johannes Gutenburg is the person you are looking for.
        
                    
             
        
        
        
It helped power the trains and steam boats.
        
                    
             
        
        
        
A long drought is what I believe the answer is
        
             
        
        
        
Answer:
the answer is D
Explanation:
In a market economy, the market can adjust to changes over time as producers and consumers both react to market conditions and are able to buy and sell in accordance with current conditions in the marketplace.