The secretary along with the treasurer of the United States must sign Federal Reserve notes before they can become legal tender. The secretary also manages the United States Emergency Economic Stabilization fund.. Most of the department's law enforcement agencies such as the U.S. Customs Service, the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), and …

The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and de facto aerial warfare service branch of the United States during and immediately after World War II (1941–1945). It was created on 20 June 1941 as successor to the previous United States Army Air Corps and is the direct predecessor …

In 2007, the United States Mint began releasing a set of half-ounce $10 gold coins under the First Spouse Program with engravings of portraits of the first ladies on the obverse. When a president served without a spouse, a gold coin was issued that bears an obverse image emblematic of Liberty as depicted on a circulating coin of that era and a reverse image emblematic of themes …

Thirty-three amendments to the United States Constitution have been proposed by the United States Congress and sent to the states for ratification since the Constitution was put into operation on March 4, 1789. Twenty-seven of these, having been ratified by the requisite number of states, are part of the Constitution. The first ten amendments were adopted and ratified …