<Li> wool (from sheep, llamas, alpacas, and Angora goats) </Li> <Li> milk (from goats, cattle, yaks, sheep, horses and camels) </Li> <Li> traction (from oxen, onagers, donkeys, horses, camels and dogs) </Li> <Li> guarding and herding assistance (dogs) </Li>

The dawn of civilization is most associated with the advent of the agricultural society