Assertion: bison's population | /r/HasProperty | devastated by wave
Facets:
value: after wave of epidemic
type: TEMPORAL
value: after the 16th century
type: TEMPORAL
value: from diseases of europeans
type: CAUSE
Source sentences:
text: In this theory, it was only when the original human population was devastated by wave after wave of epidemic (from diseases of Europeans) after the 16th century that the bison herds propagated wildly.