Assertion: progress | /r/AtLocation | dark and treacherous west
Facets:
value: from the light-skied east
type: TRANSITIVE-OBJECT
Source sentences:
text: Progress moves from the light-skied east to the dark and treacherous West, leading white settlers who follow her either on foot or by stagecoach, horseback, Conestoga wagon, wagon train, or riding steam trains.