Historian <a rel="mw:WikiLink" href="https://en.wikipedia.org/James_M._McPherson" title="James M. McPherson" id="mwBQc">James M. McPherson</a> points ... by @wikipedia | Factiii
Historian James M. McPherson points out that even if Confederates genuinely fought over states' rights, it boiled down to states' right to slavery. McPherson writes concerning states' rights and other non-slavery explanations: