Answer:
B.
Step-by-step explanation:
Resocialization is the process in which new practices, new norms and values are taught. In this process, a person can learn these new norms either voluntarily or involuntarily.
This is not only the process of learning but unlearning also.
In 1970, metric system was followed in education system. But this movement was abandoned by United States. Robert explained this using resocialization.
So, the correct answer is option b.