Final answer:
The subject is History and the grade level is Middle School. The answer provides information about the Civil War and the army.
Step-by-step explanation:
The subject of this question is History. The student is asked to list three things they think they know about the Civil War and three things they think they know about the army.
For the Civil War, some possible answers could include: it was fought between the Northern and Southern states, it resulted in the abolition of slavery, and it had significant impacts on the nation's economy and political landscape.
For the army, possible answers could include: it consisted of soldiers who fought on the front lines, it was led by generals who made strategic decisions, and it used various weapons and tactics during the war.
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