What fraction of the world's population lives on no more than $2 a day?

Let's look at a simple example—a new building construction program. Government money is spent on goods such as concrete and steel as well as paying workers.

What will be an ideal response?

The steepest increase in the currency ratio since 1892 occurred during

A) World War II. B) the Great Depression. C) the interwar years. D) the past twenty years.