Assertion: steam locomotive | /r/CapableOf | spring economic growth
Facets:
value: in the western states
type: LOCATION
value: during the wild-west era
type: TEMPORAL
Source sentences:
text: The 4-4-0 "American Standard" was the first major type of steam locomotive built in the U.S, which sprung an economic growth in the Western States during the Wild-West Era, when they very last states to be established on the mainland of the US.