That was the 2nd incarnation of Andre Agassi's charter school, Democracy Prep. We spent an entire month about Reconstruction and the Great Betrayal. I was also big to point out that the 13th Amendment didn't abolish slavery in the USA, it abolished slavery in the South; the North gave it up willingly.
My job after teaching history at DPAC was teaching civics at Pahrump Valley HS, and an activity I did (which met NV standards) was to compare the 2nd Amendment to the equivalent in the Nevada Constitution; the Nevada Constitution says the following-
I explained the reason they differ is because the Nevada version was adopted in 1982, and I then had them write a version in their own words.