Answer: 2. agriculture
Explanation:
Agriculture is known to involve tilling of soil and raising of crops and animals for man use. Animals such as horses, cattle, birds and chicken, and so on are been raised in agriculture. Thus, food, shelter, weapons, clothing, medicines are gotten from agriculture.
Agrarian societies are known as societies that rely on agriculture. They deal with cultivation of crops and raising of farm animals for man use. These crops and animals are for their consumption and sale in the market. Thus, their wealth depends on agriculture.
