Assertion: butte | /r/CapableOf | grow upon the advent of electricity
Facets:
value: in the late-nineteenth century
type: TEMPORAL
value: exponentially
type: MANNER
Source sentences:
text: Butte became a hotbed for silver and gold mining in its early stages, and grew exponentially upon the advent of electricity in the late-nineteenth century due to the land's large natural stores of copper.