Answer:
To ban slavery from the nation.
Step-by-step explanation:
Congress passed the Thirteenth Amendment on January 31, 1865 under the Presidentship of Abraham Lincoln and ratified in the Constitution on December 6, 1865.
The Thirteenth Amendment was passed in the US Constitution to abolish the slavery, a long on-going evil. This amendment ensured to end debauchery of slavery from the nation. On January 31, 1865, the amendment was passed with the vote of 119-56.
Therefore, the correct answer is option B- to ban slavery from the nation.