Maryland in the American Civil War Maryland in the American Civil War During the American Civil War (1861-1865), Maryland, a slave state, was one of the border states, straddling the South and North. Because of its strategic location, bordering the national capital city of Washington D.C. with its District of Columbia since 1790, and the strong desire of the opposing factions within the state to sway public opinion towards their respective causes, Maryland played an important role in the American Civil War (1861-1865). Newly elected 16th President Abraham Lincoln (1809-1865, served 1861-1865), suspended the constitutional right of "habeas corpus" in Maryland; and he dismissed the U.S.
Origins of the American Civil War Proclamation: On March 4, 1865, Lincoln said in his Second Inaugural Address that slavery was the cause of the War: Origins of the American Civil War Historians debating the origins of the American Civil War focus on the reasons why seven Southern states declared their secession from the United States (the Union), why they united to form the Confederate States of America (simply known as the "Confederacy"), and why the North refused to let them go. While most historians agree that conflicts over slavery caused the war, they disagree sharply regarding which kinds of conflict—ideological, economic, political, or social—were most