Answer:
Primary: Signed treaty that ended the war, A letter written by a soldier,A diary of an army general
Secondary:A documentary about the war, A textbook chapter about the war
Step-by-step explanation:
The primary sources were from people who have actually witnessed the war firsthand, and have recorded the information themselves, making it original. The secondary sources would come from the primary sources, as they are written by people who have not witnessed the war firsthand.