Answer:
Mercantilism was based on the idea that a nation's wealth and power were best served by increasing exports and so involved increasing trade
 
        
             
        
        
        
Answer:
It's B
I hope this works for u :3
 
        
             
        
        
        
The best selection appears to be lower prices for consumers. 
It was all due to lack of regulation of the financial sectors, fraud on some energy companies, not enough margin, etc.
Good luck :)