For how long? Do they still have slaves there? Was slavery ever abolished in Maryland? If so, how?
Slavery was officially abolished in the United States when the 13th Amendment was passed in 1868. An interesting bit of history, when the southern states refused to ratify the 14th Amendment because in it was language that prohibited any ex-Confederate soldier or politician from ever holding any public office, the Northern dominated Congress refused to seat any of the Southern reresentatives or senators, declaring them "illegitimate holders of the seats". They then put in political hacks that could be counted on to be good little yes-men and proceeded to institute Reconstruction which was a continuation of northern appointed political hack carpetbaggers who made sure that NORTHERN interests were of top priority while the interests of the Southern states and people were ignored.
Can you begin to understand why Southerners were so pissed at the damnyankees for so long?