Studies of child rearing across different cultures show that children thrive in:

The answer is All cultures,  Whether it's individualistic societies that emphasize independence, Asian and African cultures that emphasize emotional closeness, or other cultures in which parents hand over much of the caregiving to other
Studies shows that each cultures posses unique aspects that contribute to positive development of the children.
For example, Asian culture would impose a high discipline toward the children since early age which make them able to work tirelessly in their work environment. 

Sometimes but itt depends, their is a lot if drugs on campus too so you really can't just say that