Answer is that’s to much reading
Normally, regular punishments are just like sitting in a corner, or go down on your knees and all that, but corporal punishments are punishments that get physical, such as whipping. Corporal punishments can even lead to death in extreme cases.
You can use the (Unique) constraint to compare one column against another column. Hope I got it right.
Answer it's prepositional
A. They believed that a strong class system was necessary for progress
