From the graph that we have here, the event that is responsible for this change is A product becomes less popular and fewer customers purchase it.
The reason this is the answer is because when e look at the graph closely, we can see that only demand fell from 50 to 40. There was no change in price, it remained at 15 dollars.
A fall in demand even at the same price that a good was sold previously shows us that less people are buying the product. This could be due to changing consumer preference.
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Answer:
The most commonly used methods are: published literature sources, surveys (email and mail), interviews (telephone, face-to-face or focus group), observations, documents and records, and experiments.
Explanation:
 
        
                    
             
        
        
        
It is frist one, A because the unemployment
        
             
        
        
        
Both accounts mention those who tried to take refuge in the Tower of David, but Fulcher claims all 
 
        
             
        
        
        
Answer:
A. the refusal of southern states to ratify the Thirteenth Amendment
Explanation:
Towards the American Civil war that lasted between 1861 to 1865. There was constant tension between the federal government and the Southern colonies on the issue of slavery. 
Hence, given that thirteen amendments were about slavery abolition and which was not ratified by the south.
Therefore, the fight for the balance of power which is influenced by the issue of slavery led to the federal government's decision to divide the South in this way.