Specify the cause of the persian attacks on athens.

athens and eretria had supported the greek city of miletus in asia minor in a revolt against the persians. they overplayed their hand by burning the persian provincial capital of sardis, and the persian king darius sent a punitive expedition against them in 490 bce.

eretria was captured and enslaved. the athenians with their ally plataia defeated the persian infantry at marathon, and turned back their cavalry in front of the city, after which the expedition went home.

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the answer is states.