The correct answer is that numbers 1, 2 and 3 are accurate and number 4 needs revision. The Edict issued by the emperor Constantine didn´t fail because it protected and preserved the freedom of worship for the Christians and even other forms of beliefs. The Concil of Trent occured much later as the Protestant Reform was a threat to the Roman Catholic Church.
Given no context as to what "border states" are, I am going to assume you are referring to the states that marked the border between the union and confederacy during civil war times. I believe that these states were as follows, Delaware, Kentucky, Maryland, Missouri, and West Virginia as it separated from Virginia at this time.