Please answer this. I will mark brainiest...

Complete the following paragraph about a ruler of the Persian Empire.
was a follower of Zoroastrianism but was accepting of other religions. He made many changes to reorganize the empire. He moved the capital to . He divided his kingdom into 20 provinces and placed to govern each province. These officials had the power to lead the province, but they needed to go through the king for money or to use the army.

Blank spot 1:
A. Darius 1
B. Xerxes 1
C. Cambyses
Blank spot 2:
A. Salamis
B. Persepolis
C. Rome
Blank spot 3:
A. satraps
B. lords
C. Immortals