Answer:
a. Strain theory
Step-by-step explanation:
When a person is not able to achieve goals that are socially acceptable through socially acceptable means, it puts strain on the individual. The strain may cause the person to use illegal means to achieve their goals.
There are two types of strains
Structural: When the person perceives that the system itself is unfair to them.
Individual: The pain that is experienced by an individual in order to achieve their goals.