To be honest I don't think this is worth stressing over you get to meet a great person who did a lot to make this future I think the best thing you could do is stay respectful and just say it if you feel the need to. Thank you so much. It doesn't hurt if you do your research on that specific person if you want to ask about specific events they were involved in
The economic collapse of the soith happened rapidly from tge result of the war. Many states went into debt to the US government as a result. Now a few years after the war the south started rebuilding and led to a industral revolution. Many of the southerners who could not find work, went and worked for the rail roads as well.