New Zealanders, Danes, and Swedes—all with __________ systems—concluded that their upper houses served no purpose and abolished them in recent decades

When necessary, U.S. monetary authorities usually depreciate the dollar:

A. unilaterally B. bilaterally C. multilaterally D. secretly E. They have never depreciated the dollar.

Henry Kissinger served as national security advisor during which of the following administrations?

a. Nixon b. Bush c. Carter d. Reagan