Answer:
A monopoly is a structure where a solitary provider delivers and sells a given item or administration. On the off chance that there is a solitary merchant in a specific market and there are no nearby substitutes for the item, at that point the market structure is that of an "pure monopoly".
Explanation:
The most popular adult Halloween costume of 2009 is D. a cat.
He claimed that it was a new phenomenon because the postwar economy was booming in the US, unlike the rest of the world. As he claims, while there should be scarcity, there's an economy of abundance in the US, which goes against common sense.
I believe the answer is: Grief
In psychology, grief refers to the process of coping with the overwhelming emotions that created when we loss someone that we care about.
During this process, most individuals would most likely unable to use the social and cognitve skills normally, which would affect their overall behavior
