Hi Gino,
I can tell you worked hard on this. The sing-song rhythm and end rhymes reads almost like a nursery rhyme which might seem inappropriate for a subject that I'm fairly certain is intended to be taken seriously. However you could use that contrast to good advantage by changing the title to something like Scary Stories Around the Campfire (or slumber party). The content is enough to scare but we've heard it over and over putting it in the context of a rhyming recitation is then a fresh approach. Keep writing!
The beast has been with us all of our lives
We may die
The beast survives
It knows only hunger
A need to expand
To conquer nations
And steal land
Eating up gold
And drinking down oil
Poisoning the air
And ruining the soil
The beast grows old
And fat
And sick
Yet still it will grow
It's only trick
Will it continue to grow
Or collapse under its own weight The first two lines break with the insistent rhythm set up til now work harder on this
For nuclear annihilation
Seems such a tempting fate
The beast we must fear
But can never flea
The beast is you
The beast is me
This beast we call society yeah so? Don't blame me---think harder about this ending