Are you trying to learn English? because the word function doesn't fit "On the function of the textbook in the classroom is right to say that'
Explanation:
Because when you confrant conflict you feel powerful towards others, and you normally use words that destroys positive relationship. it might lead uncivilised situation like breaking up for false accusations. You can't keep running away from conflict because conflict is a part of life, it's not going away.
Answer:
It is rolling a game of soccer in a simple way