Final answer:
The correct answer is B. foreign exchange rate / common currency.
Step-by-step explanation:
The correct answer is B. foreign exchange rate / common currency.
When western European countries adopted the Euro, they were hoping to ensure the stability of a foreign exchange rate while still enjoying the flexibility of a common currency. By adopting a common currency like the Euro, these countries eliminated foreign exchange risk, ensuring that the value of the Euro would remain the same across different European nations.