There were several factors that contributed to the ability of the various Greek city-states to

fend off repeated attempts by several Persian rulers to conquer the Greek world, one being their

ability to come together and and fight as one people in times of war with the Persian Empire.

Normally, the city-states such as Athens and Sparta would fight each other but in this case found it

wise to put aside their political differences and unite to

Some topics in this essay:
Greece Athens, Salamis Plataea, , Athens Sparta, Greeks Athens, Persians Military, Font Size, Empire Normally, Word Count, greek world, helped city-states,