Answer:
The increased wealth and power of the empire allowed Darius to construct a brand new capital city, called Persepolis.
Step-by-step explanation:
-The Achaemenid Persian Empire first expanded under the leadership of Cyrus the Great, who utilized a strategy of religious and cultural toleration to maintain order.
-Darius the Great further expanded the empire and introduced reforms such as standard currency and satraps—provincial governors—to rule over smaller regions of the empire on his behalf.
-The increased wealth and power of the empire allowed Darius to construct a brand new capital city, called Persepolis.
-The Achaemenid Empire fell when it was conquered by Alexander the Great.