Answer:
The correct answer of the given question above would be the first option. It is important to know a currency's exchange rate when you are planning for the expenses for an overseas trip. When you are overseas, the money you will be using should be exchanged for the currency depending on where you travel and currency changes from time to time and differs from country to country so it is necessary to know the rate beforehand. Hope this answer helps.
Answer:
b. Soviet Union; wanted to make sure that they were able to keep control of
Eastern Europe.
