Which of the following accurately describes the U.S. government's behavior toward monopolies?
1) It intervenes to prevent the monopolization of some markets and actively encourages the monopolization of others.
2) It forbids the creation of legal impediments to entry into any market.
3) It intervenes to prevent the monopolization of any market.
4) It encourages the permanent monopolization of all markets in which the monopolist has technical superiority over potential competitors.