Answer:
a. More often than not, presidents make progress on their promises.
Explanation:
After the Civil War, Southern state legislatures attempted to restrict the rights of formerly enslaved persons by "passing Black Codes" which segregated blacks from whites.
He wrote it to argue that the characteristics associated with the American national character were indeed forged on the western frontier.
He also argues that it was the Western frontier and it was not the Eastern frontier. I hope this answer helps you out and that you have a great day!!! <3 :)
Longstreet was against the invasion of Pennslyvania. he thought the army should be trying to stop Grant from liberating the Mississpi area. Longstreet also knew that the Union positions were very strong and didn't think that the South would win very easily. He was strongly against unwanted bloodshed.