Four sources required. Of course, you can (and should) use more than four sources!
The report/ paper will seek to answer:
1. "Is the National Park system America's Best Idea"?
2. How does Chickamauga, Chattanooga, and Moccasin Bend National Military Park fit under the umbrella of the National Park idea?
Description of the national park system
The origin of your park
Information about the significance either natural/ historic or both
Discussion of at least one current issue surrounding the park or park system---perhaps an environmental threat, preservation concerns, etc.