3 ms·

> Do you have a source to back it up? It seems unreasonable to expect others to provide sources when you don't source your own information.

• hasenj 16y ago
  I'm not the one who came up with an outrageous claim.
  • akgerber 16y ago
    It's pretty much at the level of common knowledge that for most of human history, the primary human occupation was food production.
    • hasenj 16y ago
      "Before the industrial revolution" is only like 150 years (or so) ago.