Half or Whole?

You can eat half the cookie,
Not the whole.
You can have half of the jellybeans,
Not the whole bag.
You use half the tree,
Not the whole.
You use the whole bag of coal,
When half would've been good enough.
Half or 
Whole?
Whole or 
Half?
You can please half the population,
Not the whole.
You support half the population,
Not the whole.
Whole
Or Half?
Half
Or Whole?
It's time to decide because
A divided world,
Will not survive