Assertion: potato | /r/CapableOf | develop to be main energy source
Facets:
value: for early peruvian cultures
type: TRANSITIVE-OBJECT
value: in the course of the centuries
type: TEMPORAL
Source sentences:
text: In the course of the centuries potatoes developed to be an important staple food and a main energy source for early Peruvian cultures, the Incas and the Spanish conquerors.