And as far back as them, you have these khipu knots, which many archaeologists view as a form of writing, as a form of record-keeping. And it was even used later on by the Incas. So the big takeaway here is to challenge that misconception that the Americas somehow were not as populations and civilizations like everything else. It was only when the Europeans came in that all of that started to happen. No, well before the Europeans came in, North and South America had been settled. Agriculture developed at a similar time scale. Significant complex civilizations, writing developed on a similar time scale.