My first idea would be to set the theme, as a question or set of questions. But what or which questions? Here are some ideas.
1. Why did Beauregard fire upon Fort Sumter?
2. Was Beauregard justified in firing upon Fort Sumter?
3. Why Charleston and its Forts?
4. Why did Anderson occupy Fort Sumter?
5. Was Anderson justified in occuping Fort Sumter?
6. Was Fort Sumter the cause of the Civil War?
7. Did the South start the Civil War?
8 Who started the Civil War?
I'm looking for constructive ideas to set the requirements for the Fort Sumter web site.