 
 <prompt> Wetin make silver comot from am? Given di last question, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: ```The Gold Standard Act of 1900 abandon di bimetallic standard and define di dollar as 23.22 grains (1.505 g) of gold, wey be say dem set di price of 1 troy ounce of gold at $20.67. Silver coins still dey circulate until 1964, when all silver waka comot from dimes and quarters, and dem reduce di half dollar to 40% silver. Silver half dollars no dey circulate again since 1970. Gold coins dem confiscate by Executive Order 6102 wey Franklin Roosevelt issue for 1933. Di gold standard change to 13.71 grains (0.888 g), wey be say dem set di price of 1 troy ounce of gold at $35. Dis standard dey till 1968.``` 