From the numerous ERAs of corrections, we have taken something from each of them and use it today. Research the different ERAs of corrections and provide five take aways from that ERA.
Here is one of mine.
From the reformatory ERA, Cpt. Alexandra Maconochie (a warden at Norfolk Island, AU) started the “Marks System”, as to where an inmate on good behavior would receive a mark to reduce his sentence. Today we call that good time/gain time