Answer:
c. Hierarchical environments where those at the top maintain the status quo out of self-interest.
Explanation:
This is usually the type of environments that give rise to revolutions. One of the most important factors in encouraging a revolution is the presence of inequality. Revolutions most often happen when a group feels disadvantaged and thinks that the system it is living under is unjust. For this to happen, you generally need the presence of a wealthier or more powerful group at the top. Moreover, this group must be exclusive, and interested in maintaining the status quo in order to benefit itself.
I think option C is correct by my opinion.
Answer
Production Possibility Frontier
Explanation
The Production Possibility Frontier (PFF) is a curve depicting all maximum output possibilities for two goods, given a set of inputs consisting of resources and other factors. The PPF assumes that all inputs are used efficiently. The (PFF) represents the point at which a country's economy is most efficiently producing its goods and services and, therefore, allocating its resources in the best way possible.