[Non-Sequitur]

Lincoln was indeed fundamental in ending slavery in the US both in fact and in law.

I don't think it's debatable at all. Emancipation Proclamation aside, President Lincoln was instrumental in getting the 13th Amendment passed in 1864-65 and sent to the states.

[GOPcapitalist]

President Lincoln was instrumental in getting the 13th Amendment passed in 1864-65 and sent to the states.

Yeah. The first one, which protected slavery, as well as the second one.