Final answer:
Several Southern states had seceded from the Union before President Lincoln made this speech.
Step-by-step explanation:
When President Lincoln made this speech, several Southern states had seceded from the Union. This is evidenced by Lincoln's reference to his dissatisfied fellow countrymen who had no oath registered in Heaven to destroy the government. This step toward civil war had already taken place before President Lincoln made this speech.
Learn more about Causes of Civil War