Which of these topics is too broad for a research paper?
a. the buffalo soldiers
b. the andersonville civil war prison camp
c. the american civil war
d. the battle of vicksburg

C. the American Civil War

Explanation:

When you are doing a research paper, you need to narrow down your topic to a theme that is actually researchable in just a paper, sometime you can narrow it by adding a geographical status, for example, the american civil war in Boston, or a period of time, The Civil War on the year 1862, but the total of the civil war is too broad to be covered, contrary to the other examples like the Battle of Vicksburg, The Buffalo Soldiers and, The Andersonville Civil War prison camp.

what are local authorities doing to fix the problem

explanation:

an era of negotiation.

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