It's not just the Spartans coming after her.
3 seconds sound clip from the Troy movie soundboard.
You can hear this line at 00:41:07.834 in the Blu-ray version of the movie.
Quote context
[...]
- Put her on a ship and send her home.
- Women have always loved Paris, and he has loved them back.
- But this is different. Something has changed in him.
- If we send her home to Menelaus, he will follow her.
- It's not just the Spartans coming after her.
- By now, Menelaus has gone to Agamemnon.
- And Agamemnon has wanted to destroy us for years.
- Once we're out of the way, he controls the seas.
- Enemies have been attacking us for centuries. Our walls still stand.
[...]