Answer: CRISIS
Explanation:. Erik Erickson in collaboration with Joan Erikson developed the Erikson's stages of psychosocial development in the 20th century. In his theory, he identified 8 stages of development.
The stages are categorised from infancy, under 2 years to late adulthood over 60 years.
He termed each of the stage a CRISIS. Some include; early childhood: initiative vs guilt crisis.
Early adulthood: intimacy vs isolation crisis. Etc .
