This is the 10499th most frequent Spanish word.
cooperaban
"Cooperaban" means "they cooperated."
The word 'cooperaban' here indicates the past habitual or ongoing action of students working together to achieve a common task.
Los alumnos cooperaban entre ellos para completar el proyecto grupal.
The students cooperated among themselves to complete the group project.
In this sentence, 'cooperaban' is used to show that the communities were actively working together during a past period.
Durante la emergencia, las comunidades cooperaban para organizar los recursos.
During the emergency, the communities collaborated to organize resources.
The term 'cooperaban' refers to a customary collaborative behavior of the tribes in past narratives.