Answer:
of the combination of regulatory actions by government and actions by AT&T
Explanation:
AT&T president Theodore Vail drove the company through different policies with the aim of attaining a universal service and they engaged in buying over competing companies around. Antitrust regulators became aware of their actions and they entered a pact with the government through the Kingsbury commitment to stop buying over other stand-alone competing phone companies unless they get express consent and approvals from the Interstate Commerce Commission.
In the agreement they signed, they committed to letting competing companies connect through their phone lines which makes they competing bodies stay off the worries of building long-distant lines. When Lee de Forest started experiencing monetary difficulties, AT&T quickly moved in and brought over their vacuum-tube patents. They also bought the Audion and the patent they had increased their control over the design and distribution of telephone services over-long distances .
