What conclusion can be drawn about Ekwefi's folktale?

-Ekwefi's folktale about the tortoise serves to acknowledge what the people can accomplish by sticking together.
-Ekwefi's folktale about the tortoise serves to scare people into submission.
-Ekwefi's folktale about the tortoise serves to compare life in the country to that in the city.
-Ekwefi's folktale about the tortoise serves to warn the people from forming closed groups.