Which primary source document could a historian understand why the civil war started?

after the roman empire fell, some of its cultural achievements lasted for some time and others were lost. lost achievements include architecture , coins, and literacy. however, several things remained, such as the language. people may not have spoken this language in every city, but it influenced the languages they did speak. they also created the julian , which was commonly used until the eighteenth century.

these the citzens and goverment come to terms some of the amendments gave the states more power then the goverment and some protocted americans rights