Final answer:
Primary sources include a signed treaty, a soldier's letter, and an army general's diary. Secondary sources consist of a documentary and a textbook chapter about a war.
Explanation:
Primary Sources:
- a signed treaty that ended a war - Primary
- a letter written by a soldier - Primary
- a diary of an army general - Primary
Secondary Sources:
- a documentary about a war - Secondary
- a textbook chapter about a war - Secondary
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