It is greater than god and more evil than the devil. the poor have it, the rich need it and if you eat it you’ll die. what is it?

The following are sumerian inventions, except

Which texas rancher was among the first to move cattle from the open range into fenced land

In a market economy, what does a producer mean when it asks, "is there a market for my products? is there a place where we can sell our products? " "ls our product being made more cheaply overseas? " will consumers need and want to buy our products? " will the government support demand for our products? "