Final answer:
Lineage is a basic social unit among farmers and herders, especially in horticultural and pastoral societies. These societies may generate agricultural surplus, leading to specialization and trade with other communities.
Step-by-step explanation:
Lineage is a basic social unit among farmers and herders. In some societies, such as horticultural and pastoral societies, lineage orders are commonly found. These societies produce and consume locally, without substantial surplus. Intensive farming methods can generate agricultural surplus, allowing for specialization in craft production and leadership roles. Agricultural surplus can also be traded with other communities.