Which of the following best describes the relationship between the perioeci and the helots? a the helots protected the perioeci from the nearby inhabitants of messenia. b the perioeci did slave work for the helots so that the helots could focus on their military activities. c the helots and the perioeci worked together to conquer the nearby land of messenia. d the helots did slave work for the perioeci so that the perioeci could focus on their military activities.