Why did people domesticate animals during the Neolithic era?

Explanation:

Livestock: The first livestock were domesticated from animals that Neolithic humans hunted for meat. Domestic pigs were bred from wild boars, for instance, while goats came from the Persian ibex. ... The first farm animals also included sheep and cattle. These originated in Mesopotamia between 10,000 and 13,000 years ago.

i don't think it's c or d. i think it's either a or b.

hope this .