In 1984, the Department of Justice reached an agreement with AT&T that:

Select one:

a. allowed AT&T to continue to provide local telecommunications service to established customers but prevented it from accepting any new customers.

b. allowed the so-called Baby Bells to provide long-distance service to their local customers.

c. separated AT&T from the regional Bell operating companies.

d. led to significant degrees of competition and the reduction of monopoly power in local markets with most of the change coming within 10 years after the agreement.