Which of these events was a cause of the persian war? sparta other greek city-states rebel against persian rule. athens other greek city-states rebel against persian rule. athens king darius i fight against other greek city-states. sparta the persians take over other greek city-states.

The correct answer is B) Athens helped other Greek city-states rebel against Persian rule. 

The event that was a cause of the Persian War was "Athens helped other Greek city-states rebel against Persian rule."

Persia and Greece confronted each other in armed battles called the Persian Wars during the 5th century BCE. Historical battles that became legends in the history of these nations in ancient times were fought. Among them were Thermopylae, Marathon, Salamis, and Plataea. This last one represented the final battle where the Greeks definitively defeated the army of Xerxes, son of King Darius.  

what is your question? i can you

b) that he was not a free man