There are two factors that helped the Greeks defeat the Persian Empire. The first was the sheer tenacity of their soldiers. ... Another factor was that by uniting the city-states, particularly the Spartans and Athenians, it created a skilled, well balanced army that was able to defeat the Persians despite their numbers.
Explanation :Article 4: People can travel freely from state to state; however, criminals who left the state where they committed the crime would be sent back for trial. Hope this helps!
