Answer:
tolerance and good government.
Explanation:
The Persian empire was able to maintain order through tolerance and good government.
The empire was ruled by a King who had control over the total empire, but he had satraps who controlled the various regions called "satrapies".
It had a strong army, but the government was tolerant and governed the people well. There were good transportation networks and coordination and as a result, there were very few cases of rebellion.
