<span>Oligopoly is the type of market that has few number of firms but controls the market for a certain service or product. An example would be the auto industry - Chrysler, GMC, and Ford. So the best example in the question above is 2. Since it is setting a price to maximize output level rather than lowering the price.</span>
In "the rockpile" by James Baldwin, the rockpile is both a setting and a symbol. What represents the rockpile is that it tags with freedom and danger that comes along with a price that must be paid. The rockpile is a foundation that keeps many people safe but also dangerous if tampered.
If a child is not considered responsible enough to decide if he can smoke or drink or vote - he cannot be held responsible for being responsible enough to decide bigger things.
It is scientifically proven that children, especially boys, do not have a fully mature brain when they are teens. Their brains don't work right yet!
