Concept:Consumerism is the collective action by consumers to demand fair treatment and safe products.
Explanation:Businessmen sometimes engage in unfair practices such as false advertising or selling defective goods.
Consumers respond by organising themselves into groups.
These groups raise awareness, protest, and seek protection of their rights.
This organised effort is known as consumerism.
It is not a stroke, picketing, or demonstration, although those may be tools used within a wider movement.
Answer:Consumerism (Option B).