Answer:
The given excerpt is from the Proclamation of Emancipation made by President Abraham Lincoln
Step-by-step explanation:
This speech by President Lincoln was intended to emancipate all the slaves in the Confederate States and this was the most important part of the document as it marked the first time the government attempted to free slaves on such grand scale.
This Proclamation of Emancipation states that all the rebelled slaves were now free and free forever.