the victory of Athens over Persia at marathon was surprising because blank

blank:

1. The Persians were considered a much more powerful and larger empire compared to Athens.
2. The Athenians were significantly outnumbered by the Persian army.
3. Athens was not known for its military strength prior to the Battle of Marathon.
4. The Persians had previously been successful in their military campaigns and were seen as formidable opponents.
5. The Athenian victory occurred through a strategically risky decision and successful execution of a surprise attack, catching the Persians off guard.
6. The Athenian victory was achieved without significant assistance from other Greek city-states, making it somewhat unexpected.
7. The Battle of Marathon marked the first major Persian defeat during their expansion into Greece, making it surprising for both sides.