Answer:
History of the government
Explanation:
its important to learn about the different branches of the government, laws, and constitution. These things can be used in your future as adults when you vote.
Vicksburg effects: The Battle of Vicksburg effected the Civil War because the Union got full control of the Mississippi river therefore taking over and shutting down the confederates trade, transportation, and military/fortifications.
The answer is either Ethnic, or social. I'm not too sure, but I'm leaning towards Ethnic. Hope I could help!