What is one reason early clans of hunter-gatherers are not considered civilizations?

They did not have art of any kind.

They hunted animals for food.

They made use of the resources around them.

They did not build towns or cities.

they did not build towns or cities

They did not settle down but rather moved around

they did not build towns or cities

they did use the resources around them, crops and animals, and civilizations do that

civilizations hunt animals for food and art is not a essential component of civilizations