Question

multiple choice question
why did king darius invade greece?
to gain access to europe
to bring zoroastrianism to greece
to gain territory along the mediterranean sea
to punish athens for interfering in persian matters

Explanation:

King Darius invaded Greece mainly to punish Athens for its support of the Ionian Revolt, which was an interference in Persian affairs. The Ionian Greeks, under Persian rule, rebelled, and Athens provided aid to them. Darius saw this as an act of aggression and decided to launch a military campaign against Greece to assert Persian dominance and punish Athens.

Answer:

to punish Athens for interfering in Persian matters