Which+political+leader+opposed+the+spread+of+slavery?

This is Izzy's Web site designed by Izzy-B-TheReal           Izzy Benzegala Where real facts are found! Dark Blue-Union states prohibiting slavery Light blue-Union territories Yellow-Border states on the Union side which allowed slavery Red-Kansas, which entered and fought with the Union as a free state after the Bleeding Kansas crisis Brown-The Confederacy light brown-Confederate claimed and sometimes held territories- information provided by []

Which political leader opposed the spread of slavery? Abraham Lincoln