E d u c a t i o n.
With education, you can easily find a job and earn and use money to buy food and repeat.
If you can't find a job, should you be educated and responsible enough to set up a business to earn and buy food.
If you can't set up a business, you are educated enough to know how plants work and eat them.

Governments should emphasize on education.
If people cannot really afford education, they should stick to practical knowledge or get help.