What do the Spartans at the rear do as the main group advances?

The cultural achievements of Sparta include a well-organized society, gender empowerment, and military prowess. Sparta was made up of three main communities: Spartans, Perioeci, and Helots. The Spartans held the administrative and military positions. The Helots were Greeks captured from other lands conquered by Sparta.

The cultural achievements of Sparta include a well-organized society, gender empowerment, and military prowess. Sparta was made up of three main communities: Spartans, Perioeci, and Helots.

This answer would be c