Let's start with the 13,000 individual pardons to wealthy planters and high-ranking Confederate leaders by Johnson. Write at least 2 paragraphs on how the proper punishment of the traitors would have changed the power dynamics after the war across the South, and establish a parallel with how the Nuremberg trials were conducted folowing WW2.
When you're done, we'll move on to how Southern states were allowed to organize all-white governments without protecting the African American civil rights that the entire fucking war was fought over.
There's more, but let's take it step by step shall we?