During the twentieth century, a primary driver of the expansion of the U.S. income tax system has been _____

In U.S. history, use of a commodity-backed paper currency is associated with the

A) Free Banking Era. B) Confederacy during the Civil War. C) gold standard. D) Bretton Woods Agreement.

Figure 5.1 provides support for the Fisher effect, by ________

A) displaying a positive relationship between the inflation rate and the nominal interest rate B) showing how developed economies like the U.S. and Japan have less inflation than economies like Turkey and Indonesia C) focusing on short-run fluctuations, rather than long run averages D) plotting observed, rather than expected inflation E) showing that output is unaffected by changes in the money supply