What is "Sameness"? What could the reasons for Sameness have been? What did society give up when they created Sameness?

The 13th amendment ended slavery in the united states. what would be the best reason congress decided to amend the constitution to make this practice illegal? a) congress felt all women deserved the right to vote. b) congress felt slavery was ethically and morally wrong. 'c) congress believed everyone should have us citizenship. d) congress believed abraham lincoln should have amended the constitution.