The worst thing that the parents can do to their children

The most terrible thing that the parents can ever do to their children is spanking them . why some parents use spanking instead of other banishment strategies? parent usually don’t know other way of banishment and they are frustrated from their children behaviors like : jumping , screaming , and not obeying the parents order . so they spank their children to discipline them .
but they are not familiar that such behavior is effecting the child’s personality . the parents thought that the spanking is a good way , but they don’t know that spanking brings more behavior issues and long-term effects .