What does the term "agricultural surplus" mean in the context of Neolithic villages?

A special type of seed that grew well

The food needed for a family to survive one day

Having more food than is needed for survival

The tools used for harvesting crops

What was the main reason that the population of Neolithic settlements grew?

A decrease in trade between villages.

Hunter-gatherer groups had more defined social classes.

Farming communities were often more egalitarian, or equal.

Neolithic societies began to show signs of social inequality.

Hunter-gatherer groups were much larger than farming villages.

They discovered better hunting grounds.

They no longer had to be nomadic.

They had to hide from large animals.

They learned to build with metal.

It guaranteed that everyone had equal wealth.

It meant they no longer needed to build shelters.

It could be stored for use during times of poor harvests or winter.

It stopped all trade with other groups.