When did lincoln propose the thirteenth amendment?

President Abram Lincoln approved the thirteenth amendment on Feb 1865.

Explanation:

The thirteen amendments deal with the abolition of slavery.

Thirteen amendments are also known as the Corwin Amendment which was proposed by the "William Seward" in December 1860.

This amendment gave power to the state to protect slavery by regulating authorities within its border.

This amendment also inclines the power of congress to abolish slavery.

And no amendment could be made in the constitution which can replace or make changes in "Corwin Amendment".

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