How is a social factor affected by migration? explain with examples​

Which best describes the idea behind the "invisible hand"? producers decide what to make for consumers, which guides the economy. individuals seeking their own self interest benefit the economy as a whole. government sets policy for producers and consumers, which guides the economy. consumers decide what they need and want to buy, which guides the economy.

What would you call a political system that is only meant to last for a short time

Stories that are passed down through generations by word of mouth are called