Frank J. Williams
From State of the Union: New York and the Civil War
“If a situation were to arise again in the United States where the writ of Habeas corpus were suspended, government would probably be as ill-prepared to define the legal situation as it was in 1861. The clearest lesson is that there is no clear lesson in the Civil War–no neat precedents, no ground rules, no map. War and its effect on civil liberties remain a frightening unknown.”