Well i can't really say it because its your oppinion but I would say that its Nice to educate young children because you get to see them learn and your their motivation. I turn to my parents because I can talk more freely to them and I can understand it a lot better.
Whether you are raised on morals or the belief of a well being using good manner is key to th proper function of life as we know it. Manners are a kay part of life that if used more frequently could change the world for the better.
The Vietcong set up checkpoints around the nation, so that would've definitely been a literal and figurative roadblock to any refugees. Hope this helped.