New York City in the American Civil War New York City in the American Civil War New York City during the American Civil War (1861–1865) was a bustling American city that provided a major source of troops, supplies, equipment and financing for the Union Army. Powerful New York politicians and newspaper editors helped shape public opinion toward the war effort and the policies of President Abraham Lincoln. The port of New York, a major entry point for immigrants, served as recruiting grounds for the Army. Irish and Germans participated in the war at a high rate. The city's strong commercial ties to the South, its growing immigrant population,
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