Assertion: cassava | /r/AtLocation | tropical areas of africa
Facets:
value: from brazil
type: LOCATION
value: by the portuguese
type: OTHER
value: during the 16th and 17th centuries
type: TEMPORAL
Source sentences:
text: Cassava (Manihot esculenta Crantz) was introduced from Brazil, its country of origin, to the tropical areas of Africa, the Far East and the Caribbean Islands by the Portuguese during the 16th and 17th centuries (Jones, 1959).