Answer:
b. Conflict perspective
Explanation:
According to the conflict perspective, society changes as a result of the struggle between the different classes. One class has power and resources while the other classes try to attain the power from the elite class.
Power and resources leads to competition over who gets to attain the resources. The changes that occur happen in a short span of time generally in the form of a revolution.
Hence, the statement here is describing the Conflict perspective.