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:
D. His improvements allowed the steam engine to run more efficiently on oil instead of coal.
"The best option from the list in terms of the outcome of nationalism and imperialism was that "both led to militarism" since many nations started feeling superior to others and wanting more land and resources.
Answer:
d. his youthful appearance on television
Explanation:
