The final steps to secession included:
-Attack on Harpers Ferry
-Southern states' refusal to put Lincoln on the ballot
-Election of Abraham Lincoln-->southern states felt their interests were not represented and their rights weren't recognised
-Incumbent President Buchanan did nothing to stop secession movement from gaining momentum
-Rejection by Lincoln of Crittendon Compromise
-Deep South seceded, and Upper South followed.
Basically their goal was to defend the nations members from threats from the communist enemies/countries.
Like for example, France and the US would be in the United Nations/NATO and Russia and China would be the communists.
NATO is the North Atlantic Treaty Alliance between North America and Europe.
Answer:
I would say A. The National Park Service
Explanation: