Answer: 3. Produce crops mainly for their own immediate use
Subsistence agriculture is a type of farming in which the farmers produce crops or foods for immediate use and enough to feed themselves and their families.
Subsistence agriculture is divided into three different types, 1) intensive subsistence or traditional method, 2) shifting cultivation relying on clearing forest to create new farming plots every few years and 3) pastoral nomadism which relies on traveling with herds of animals.