Answer:
B
Explanation:
In order to keep the order within his empire, Darius divided it into strapies, which were like provinces with some autonomy. Nevertheless, all the satraps followed the orders by Darius and they were under his direct supervision.
Darius kept close attention to the satraps so that they didn´t exceed their authority. Besides, Darius unified or standarized the monetary system with the daric.
