Assertion: empire's area | /r/HasProperty | populated
Facets:
value: in pre-columbian times
type: TEMPORAL
value: densely
type: DEGREE
Source sentences:
text: Contemporary rainforest species composition has significantly higher abundance of species of economic value to ancient Maya in areas that were densely populated in pre-Columbian times, and pollen records in lake sediments suggest that maize, manioc, sunflower seeds, cotton, and other crops have been cultivated in association with deforestation in Mesoamerica since at least 2500 BC.