Which states attempted to end slavery during the war?

The movement to end the slavery is calles abolitionism, This movement existed before and during the Civil War (April 1861 - May 1865) in the Unites States.

The

States that attempted to end slavery during the war were:

Maryland (November 1864)

Missouri (January 1865)

Tennessee (January 1865)

West Virginia (February 1865)

District of Columbia (1862)

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