The chief task of adolescence, according to erikson, is to confront the crisis of in order to become a unique adult with a coherent sense of self and a valued role in society.

The correct answer is known as "identity versus identity confusion".

In this stage of Erikson's psychosocial Development, adolescents between the age of 12-18. The transition from being a child towards adulthood are vital, wherein children starts to become independent and start to think about their future, such as their careers, their relationship and their families.