A Common Pattern Marked Western Boom Industries: Initially, ________; Eventually

A common pattern marked Western boom industries: initially, ________; eventually, ________.

A) individual entrepreneurs sought quick riches; large-scale corporate enterprise took over for the long term
B) boom towns sprang up; they became ghost towns
C) great and unrealistic hopes brought an influx of speculators; frustration grew because no one really got wealthy
D) great wealth was controlled by a few; many ordinary folk managed to participate