Answer:
The correct answer is B Persian
.
Explanation:
B is the correct answer, because it is the only country where Zoroastrianism was the official religion in the Persian Empire. Even during the reign of Cyrus religious liberties were established, and the whole country was well-connected.
All other answers are wrong, as this countries didn't have Zoroastrianism as official religion. Of course, for examples Roman built roads, Macedonian Empire was one of the world's most tolerant empire, but only B is the correct answer here.
