Collage lesson what if the world is going to end and u have a place which can keep u save for a while and you can only make some people stay and some don't

A collage is a art form made of pieces of paper or other material glued onto a surface.

Perhaps you mean this is a homework question for college? It's a very common philosophy question, and many books and movies have tackled the subject.
Surely you have enough brains to think about this, make your decisions, and state what they are.
No one here is going to write your paper for you!
So tell us - what's your very first thought? Is the purpose to just survive until you die? Perpetuate the human race? So do you need young fertile women? Just strong men? Do you want to be 'fair' to all kinds of people? Do you choose different races? Is there 'too many' people who can't be fed and watered, or 'too few' people, who can't work enough? THINK!!

Is this the plot of a movie?

If it's the plot to a movie
Maybe they're looking for,

After the Dark (2014)

-view trailer- (https://www.youtube.com/watch?v=IJ36cRPg9es)
---