PWEAS HAL How did the geography of the Greek peninsula help them defeat the Persians?

1)

Athenian soldiers were able to hide in the valleys.

2)

The Athenians developed a more powerful navy than the Persians.

3)

The Persians were unable to transport supplies into the Greek city-states.

4)

The Persians were unable to cross the mountains.

2

Explanation:

The Greeks have their navy in their homeland while the Persians either had to move or build their navy to attack Greece.

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