The major change in mail service to the West is comparable to which of the following?

1. The gradual settlement of the Midwestern states
2. The increase in postal rates between the 1960s and 1990s
3. The development of small telephone companies because of the breakup of the AT&T monopoly
4. The growing competition among personal computer companies
5. The improvement of international telephone communication because of the laying of the transatlantic cable

The major change in mail service to the West can be likened to the development of small telephone companies post the breakup of the AT&T monopoly, both influenced by technological advancements.

Explanation:

The major change in mail service to the West can be compared to the development of small telephone companies because of the breakup of the AT&T monopoly. Just as technological advancements led to changes in the telecommunications industry, the evolution of mail services in the West has been influenced by technological shifts such as the rise of electronic mail.

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