New sets of expectations are required of us at various ages and these require continual training, which is known as:

socialization

Explanation:

Socialization -

It is the process of incorporating the norms and the ideologies of the society , is referred to as socialization .

As human require some social experiences in order to sustain their culture and survive in this world.

Socialization consists of teaching as well as learning process.

Hence , from the given statement of the question,

The correct term is socialization.

a would be the answer