This answer is true because the group is so then the teacher can focus on them and no making other dessicions. But some teachitheer do the oppisite.
It began in the year of "Ancient Times"
Answer:
psychological moratorium.
Explanation:
A big part of identity crisis is the psychological moratorium.
During that time, a society ( parents, peers, teachers, etc ) forbid a certain individual to work on the problem and the resolution. While a young adult is put in the middle of this period, they have an opportunity to look better into society, rules, values, etc. Some people stay in the moratorium, while others find the way to break the shell and then, they find their position, place and role in the society they belong in.
I believe the correct answer is B: The prevention of second-hand smoke. Hope this helped!
-TTL