Indus Valley, present-day India. Domestication begins, also understood as the selection of the most suitable species and thus the involuntary genetic modification of the species, of various plants such as sesame and eggplant, and of animals such as cows. All this allows human groups to form villages, generate surpluses to support non-productive jobs, larger populations, sustain complex organizations, and develop writing, technology, armies, and religion. So it makes a difference.
