Stages of Erik Erikson's psychosocial development in childhood

There are two parts to this assignment!
1. Identify four stages of Erik Erikson’s psychosocial development in childhood. Describe a child’s behavior in each stage. (20 points)
2. Define the term “attachment” as it used in psychology. Identify three attachment styles and describe how each style is reflected in infant behavior in Ainsworth’s strange situation. (20 points)
10 points for written clarity.