Answer:
Well they were doctors, so Koch and Loeffler?
Explanation:
 
        
             
        
        
        
This statement is true......
        
             
        
        
        
The effect which it had on the economy was the <span>establishment of lending institutions across the continent, standardized methods of taxation and an increase in European trade.</span>
        
             
        
        
        
Answer:
In 1828, Congress passed a high protective tariff that infuriated the southern states because they felt it only benefited the industrialized north. But it shrunk English demand for southern raw cotton and increased the final cost of finished goods to American buyers.