Help pls.

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.

How and why has british society changed over the last 50 years?

Is it enough to be "suspected" of terrorism, or should these suspects have the right to a fair trial before being detained indefinitely? your response should be at least five sentences. use complete sentences and offer evidence to back up your opinion