According to Adjustable Peg System (or Bretton Woods System) of Exchange Rate:
all of these
parity between two currencies was determined by the quantity of gold contained in them
US Dollar was assigned gold value at a fixed price
different currencies were pegged to one currency (US Dollar)
Under the adjustable peg system, every currency was pegged to the US dollar, which in turn was pegged to a specific quantity of gold.
Out of the following, which is the most rigid exchange rate system that does not allow any adjustment in the exchange rate?