Original sentence: However, the ruling was in the pre-deregulated environment where the CAB did not have control of travel within a state, the type of service Southwest offered at the time
Edited sentence: DFW International Airport, fearing that other airlines would also operate out of Love Field and undermine the viability of the fledgling airport, stipulated that no airline could operate at the new airport if it continued to operate any flights out of Love Field.Subsequently, after DFW International established itself, the prohibition preventing airlines from operating at both airports was lifted, which prompted some airlines to return to Love Field.This, coupled with Southwest's expansion, generated a resurgence of passenger traffic at Love Field