<Tooltip>Assign an economic unit to a Field to harvest grain and generate Food.</Tooltip>
<History>Farming originated around 9500 BC in India and the Middle East. The history of agriculture is a central element of human history, as agricultural progress has been a crucial factor in worldwide socio-economic change. Wealth-building and militaristic specializations rarely seen in hunter-gatherer cultures are commonplace in agricultural and agro-industrial societies�when farmers became capable of producing food beyond the needs of their own families, others in the tribe/nation/empire were freed to devote themselves to projects other than food acquisition.</History>