Pull out the AV receiver in the surround-sound system and turn it around to inspect the back of the component. Look for a connected black box labeled with the name of the audio-captioning service plugged into a set of inputs on the rear of the receiver.
Richard Nixon in 1971. The Nixon shock was a series of economic measures undertaken by United States President Richard Nixon in 1971, the most significant of which was the unilateral cancellation of the direct international convertibility of the United States dollar to gold.
In short, the gold standard was a force for stability. Britain, the first industrialized power, adopted the gold standard around 1820. The United States did not follow suit until 1873 (the Coinage Act of 1873, or known to its critics as the Crime of '73). France and Germany followed shortly thereafter.