Clinical review articles, also known as updates, differ from systematic reviews and meta-analyses in important ways.1 Updates selectively review the medical literature while discussing a topic broadly.
Eventually, the Emancipation Proclamation led to the proposal and ratification of the Thirteenth Amendment to the Constitution, which formally abolished slavery throughout the land.
Beyond politics, the Emancipation Proclamation became a symbol of what the Civil War was heading toward. It was no longer about states' rights, rebellion and nullification -- with one document, Lincoln turned it into a war to end slavery.