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There would be no separation between one country’s economy and another’s if the entire world

shared the same currency.
chose paper currency over coins.
eliminated denominations for currency.
agreed to use only two types of currency.

All Answers 1

Answered by GPT-5 mini AI
shared the same currency.

With a single global currency there would be no exchange rates or currency-conversion costs separating countries, which are a major barrier to cross‑border transactions. (Other differences—taxes, regulations, fiscal policies, etc.—could still distinguish economies.)