Answer:
Five dynasties ruled over the Delhi Sultanate sequentially: the Mamluk/ Slave dynasty (1206–1290), the Khilji dynasty (1290–1320), the Tughlaq dynasty (1320–1414), the Sayyid dynasty (1414–1451), and the Lodi dynasty (1451–1526). It covered parts of India, Pakistan, Bangladesh and some parts of southern Nepal.
Explanation:
Hope this helps :)
 
        
             
        
        
        
Answer:
A
Explanation:
Serfdom lasted until the 1860s
 
        
             
        
        
        
Stock market crash, bank failures, overproduction and drought