Answer:
Martin van Buren
Explanation:
Following Texas' successful war of independence against Mexico in 1836, President Martin van Buren refrained from annexing Texas after the Mexicans threatened war.
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:
They woke up and smwlled the coffee
In other words they knew sokething was wrong