Where she found a primitive civilization not more than a thousand years old?

The crew think they're such a primitive civilization they haven't even discovered acting yet.

Many thousands of years earlier, this race had achieved a primitive civilization of its own.

"I think they only come out at night, they're what your book calls a primitive civilization."

It is home to a primitive human civilization almost entirely cut off from the rest of humanity.

But that, as we know today, is a mark of a primitive civilization.

Except that this time, we're the primitive civilization being offered the knowledge of a more advanced power.

I don't care what argument the Left may make to justify extolling "primitive civilization."

The story is told through differences with our 'primitive' civilization and the civilization humans have established by this time.

Sitting there waiting, patiently, until the early primitive civilizations matured, left their nests, and got into space.