How do parenting styles and characteristics impact a child's development of ego strengths (trust versus mistust)?

How should parents or caregivers promote the development of the Erikson's ego strengths (trust versus mistrust) in their child? Specifically, what should they do? How do we know if it is working? What ego strengths in the parents and/or caregivers promote trust versus mistrust in the child? Explain and be specific. Also discuss the essential parent ego strengths and examples of a child's behavior that has gained the ego strength of trust.