[SauronOfMordor]

The purpose of agriculture was to enable the making of beer.

Think about it. An early agricultural community, raising wheat. Would you prefer to exist on bread, or make beer with it to trade for meat from every passing hunter?

[Jet Jaguar]

Very good point.

[hunter112]

Would you prefer to exist on bread, or make beer with it to trade for meat from every passing hunter?

Way more than that! Beer would have been infinitely preferable to drink than water, what with people not knowing to pee downstream from where they took their water. Beer caused civilization!