medium · Enhanced ACT english

A paragraph describes the failure of the first transatlantic telegraph cable.

Which choice provides the most effective conclusion by identifying the ultimate significance of the event?

  1. Despite this initial setback, the attempt proved that global electronic communication was possible.
  2. The cable only functioned for a few weeks before the signal became too weak to read and it failed.
  3. Investors were completely devastated by the loss of money and vowed never to fund such a project again.
  4. The project used thousands of miles of copper wire wrapped in a special protective rubber coating.

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