Question

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Explanation:

Analyze the central topic of the excerpt

The text describes a secret writing system invented by Major Tallmadge for the Culper Ring during the American Revolution. It explains how digits were substituted for words (e.g., "Long Island" was 728) and how a cipher was used for other letters.

Evaluate the author's primary intent

The passage is informative, detailing the mechanics of the code system (substituting digits for words and using ciphers). It does not attempt to persuade, argue about mistakes, or compare American codes to British codes.

Match with the multiple-choice options

The option "teach readers about a code system used during the American Revolution" directly aligns with the informative nature of the text.

Answer:

• teach readers about a code system used during the American Revolution. (Correct answer)
• persuade readers that ciphers are the greatest American invention.
• argue that Major Tallmadge made a mistake in sharing copies of his codes.
• compare the American codes for secret letters to the British codes.