According to the Article, why did the Persians lose at the Battle of Marathon? A. The Persians arrows were so light they bounced off the heavy armor and giant shields that the Greeks wore. B. The Greeks sent 25,000 warriors on 600 battleships, and King Darius sent a not-so-subtle request to submit. C. A man named Pheidippides was sent to Sparta to get help, but the Spartans were too busy having a festival. D. Ionians started a rebellion against the Persian Empire, leaving only 10,000 Persian troops to fight the Greeks.

## Step 1<br />The question is asking for the reason why the Persians lost at the Battle of Marathon. The Battle of Marathon was a significant event in the Greco-Persian Wars, where the Athenians and their allies defeated the Persians.<br /><br />## Step 2<br />The options provided are different scenarios that could have led to the Persian defeat. The correct answer is the one that accurately reflects the historical events.<br /><br />## Step 3<br />Option D states that the Ionians started a rebellion against the Persian Empire, leaving only 10,000 Persian troops to fight the Greeks. This is historically accurate. The Ionian Revolt, which began in 499 BC, was a series of conflicts in which the Ionian cities of Asia Minor rebelled against Persian rule. This rebellion significantly weakened the Persian forces, making them vulnerable to the Greek resistance at Marathon.