/qa2/ - Business Inquiries

How come agriculture was developed in about a dozen places around the world at the same time roughly independently while we have no evidence for it for the tens of thousands of years beforehand? Humans had been hunter gatherers for hundreds of thousands of years and it’s not like the world in 12,000 BC was markedly more advanced than it was technologically in 30,000 BC. Fluctuations in ice age climate patterns also happen pretty regularly.