The Thirteenth Amendment(Amendment XIII) to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865. ... On April 8, 1864, the Senate passed an amendment to abolish slavery.
Separation of church and state was an effect of the Age of Reason in the seventeenth and eighteenth centuries. This happened because people began relying on their wit and knowledge and reason more than on churches and religion.