An example can be the Missouri Compromise. According to it, a line was made and it was decided which countries could have slaves and which not. Now, it was considered to be a relatively good compromise because it helped the Union stay together, but watching it from the modern times it was most certainly not a good compromise because any compromise that establishes slavery anywhere is definitely not a good one.
Answer:
They did not believe that someone could do something so horrible.
Fort Sumter and they were called The First Battle of Bull Run and the Second Battle of Bull Run. Hope this helps!
North korea!~~~~~~~~~~~~~~~~~~~~~~