How did the deregulation of the airline industry in the United States impact American Airlines in terms of competition and route expansion?
a) It led to a decrease in competition, allowing American Airlines to monopolize major routes.
b) It increased competition, forcing American Airlines to cut routes and reduce services.
c) It allowed American Airlines to expand its routes and compete more aggressively with lower fares.
d) It resulted in government-imposed restrictions that limited American Airlines' operations.