Answer:
A. It brought about the decline of the Federalist Party.
Explanation:
The effect of the Hartford Convention is which was held between December 1814 to January 1815 was widely known to be based on President James Madison’s mercantile policies and the progress of the War of 1812, including the unacceptable position of the political situation of the country more specifically national government power shifting to South.
However, following the unexpected victory in the Battle of New Orleans, and the secret nature of the Hartford convention, brought about the decline of the Federalist Party.
 
        
                    
             
        
        
        
(4)Asia and Europe
The Silk Road began in China and ran westward through Asia ending in the Anatolia Peninsula. 
The Silk Road was a trading route which brought Asian goods westward to Constantinople. The road began in Hangzhou and Guangzhou, both port cities in China. The road forked north and south going into the Indian peninsula and through the Persian Empire. 
 
        
                    
             
        
        
        
For a bill to become a law it must pass through both the House of Representatives and the Senate.-True
        
                    
             
        
        
        
After the War of 1812 the policy that was advocated by James Madison for making American manufactured products cheaper and more competitive in both domestic and foreign markets was a protective tariff. The correct option among all the options that are given in the question is the second option. I hope it helps you.