Professor charisma's viewpoint best illustrates the "evolutionary" perspective, while professor smith best illustrates the "social-cultural" perspective.
To utilize an evolutionary perspective is to think about all practices, for example, fears, biases, and connections etc. as the consequence of developmental procedures. This point of view takes the position that practices appeared because of adjustments to living conditions. While social-cultural perspective endorse the norms and values approved and appreciated by the society.
In the USA, children start school when they are five or six years old. Depending on the state, schooling is compulsory until the age of 16 or 18. Children younger than five can go to a nursery school or preschool.