Byzantine Empire and the Turks. I hope this helps!
.The correct answer is D-Each country in North America uses its own currency. A and B are completely wrong, as there are numerous currencies in use in North America, but to say that they "have done away with separate currencies" is wrong, too, for there are some countries who use the US dollar, being therefore in common and not totally different.
Answer:
If tea arrived in Europe around the same time as when coffee did, why did it not find the immediate success that coffee had? ... Because of the lack of potable water in England when tea (and coffee) was introduced around the year 1650, its use forced those drinking it to boil the water - sterilizing it.
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