Answer:
After the Civil War began in 1861, abolitionists rallied to the Union cause. They rejoiced when President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, declaring the slaves free in many parts of the South. In 1865, the 13th Amendment to the U.S. Constitution abolished slavery in the country.
Step-by-step explanation:
We are learning that in school now and uhmm yeah that's your answer your welcome