The Appalachian National Scenic Trail, generally known as the Appalachian Trail or simply the A.T., is a marked hiking trail in the eastern United States extending between Springer Mountain in Georgia and Mount Katahdin in Maine.
Answer: One specific historical event
Explanation: McMaster believed Johnson based all of his decisions of the Great Society Program. This was ways to reform the nation.
I believe it would be the letter 'C' ;w; Good luck, sorry if this is incorrect.
You can have it up and running for longer