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.
The gold standard was a promise. If you had a dollar, you could take it to the government any time you want, and trade it in for a fixed amount of gold. In the U.S. year after year, $20.67 got you an ounce of gold. In the early part of the 20th century, all the world's key economies were on the gold standard. But in 1931, the system began to unravel in the most powerful country in the world: England. When the Great Depression hit, the people in England panicked, and started trading in their paper money for gold.