Answer: (B) Generational change
Explanation:
The generation change is one of the concept that basically refers to the generation gap process in terms of their values, thinking process, different point of views, and their beliefs.
It is also known as the perceived gap between the two different types of generations and there are various types of generation change causes that is increase in the life expectancy, society mobility and also the rapid growth of the culture.
According to the given scenario, the generation change is one of the main concept that helps in illustrating the given situation of the backward capabilities.
Therefore, Generation change is the correct answer.