Which statement accurately describes the Battle of Marathon?

A.

Sparta and the other Greek city-states defeated the Persian army of Darius.

B.

Athens fought alone against Darius's army and decisively defeated the Persians.

C.

The Athenian army was forced to retreat, after which Sparta surrendered.

D.

Darius defeated a combined Greek army and captured Athens and Sparta.

The statement which accurately describes the Battle of Marathon is B) Athens fought alone against Darius's army and decisively defeated the Persians. The Battle of Marathon was the first attempt by the Persians to capture Greek land, but the Athenians were able to push back and ultimately defeat the Persians, even though they were largely outnumbered by their enemy.