What is not one of the causes of famine in Africa

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.

When and why were fingerprints first used in the united states

What effect did increased automobile production have on other industries