How do campaign "prevent" teen pregnancy or coup¨¦ accident?

Alright, I'm asking this now. I've seen commercials that say, "every time someone donates $11, it prevents a vehicle accident." and I'm wondering, "HOW?!" because it makes no sense! Like when they say, "Donate $3 and you prevent a minor from becoming pregnant." because what do they do? Send money? And sometimes they say, "If you donate $1, it goes to a pregnant mother." and I know their are things like pregnancy homes, but I still don't achieve it.
I know this is very hard to understand, so agree to me speak it out.
How do they prevent these things by donating money?
They don't...they use the money in hopes that getting educational materials into the right hands will stop stuff resembling that from happening. Sad to say it don't always work that mode.
it doesn't actually prevent a car accident or teen pregnancy, it goes toward programs that educate people and teenagers in the order of the dangers of driving recklessly and not having out of danger sex. (except the way things are now, they just instruct don't have sex, which, in my view is incredibly pointless, but i.e. another topic.)
they just basically go to programs to tutor.
Answers:    There are programs that go around to schools to show kids exactly what happens when they are hit by drunk driver. What happen when you try to do other illegal moves while driving, etc. etc. There was a crash locally where the teenaged driver passed someone on a curve (obviously flawed for no passing) killing herself and her two sisters. Even a cop with a lot of driving experience is taking a risk ratification people on 2 lane roads and this gal thought she was the so-cool driver. If a program will stop some kids from doing this stupid stuff, and ending their lives surrounded by unnecessary tragedy, it's worth it.
Creating awareness, i suppose the money would pay for the ads etc.

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