Answer:
The 13th amendment was passed at the end of the Civil War before the Southern states had been restored to the Union and should have easily passed the Congress. Although the Senate passed it in April 1864, the House did not. At that point, Lincoln took an active role to ensure passage through congress. He insisted that passage of the 13th amendment be added to the Republican Party platform for the upcoming Presidential elections. His efforts met with success when the House passed the bill in January 1865 with a vote of 119–56.
Step-by-step explanation: