Original sentence: The price of gold from the treasury for international transactions was thereafter raised to $35 an ounce; this had no lasting effect on the value of the dollar, which henceforth was determined by its value relative to other world currencies, and which had been "hyper-valued" by the severe deflation of the previous three years
Edited sentence: The price of gold from the treasury for international transactions was thereafter raised to $35 an ounce; this had no lasting effect on the value of the dollar, which thenceforth was determined by its value relative to other world currencies, and which had been "hyper-valued" by the severe deflation of the previous three years