who took part in the american civil war
nationalists of the Union
title: American Civil War text: American Civil War The American Civil War (also known by other names) was a war fought in the United States from 1861 to 1865. The Civil War is the most studied and written about episode in U.S. history. Primarily as a result of the long-standing controversy over the enslavement of black people, war broke out in April 1861 when secessionist forces attacked Fort Sumter in South Carolina shortly after Abraham Lincoln had been inaugurated as the President of the United States. The loyalists of the Union in the North proclaimed support for the Constitution. They faced secessionists of the Confederate title: Union (American Civil War) text: Union (American Civil War) During the American Civil War (1861–1865), the Union, also known as the North, referred to the United States of America and specifically to the national government of President Abraham Lincoln and the 20 free states, as well as 4 border and slave states (some with split governments and troops sent both north and south) that supported it. The Union was opposed by 11 southern slave states (or 13, according to the Southern view and one western territory) that formed the Confederate States of America, also known as "the Confederacy" or "the South". All of the Union's title: American Civil War text: States in the South, who advocated for states' rights to uphold slavery. Among the 34 U.S. states in February 1861, seven Southern slave states declared their secession from the country and formed the Confederate States of America. The Confederacy grew to include eleven states, all of them slaveholding. The Confederate States was never diplomatically recognized by the government of the United States or by that of any foreign country. The states that remained loyal to the U.S. were known as the Union. The Union and Confederacy quickly raised volunteer and conscription armies that fought mostly in the South over the title: American Civil War text: War was among the earliest industrial wars. Railroads, the telegraph, steamships and iron-clad ships, and mass-produced weapons were employed extensively. The mobilization of civilian factories, mines, shipyards, banks, transportation and food supplies all foreshadowed the impact of industrialization in World War I, World War II and subsequent conflicts. It remains the deadliest war in American history. From 1861 to 1865, it is estimated that 620,000 to 750,000 soldiers died, along with an undetermined number of civilians. By one estimate, the war claimed the lives of 10 percent of all Northern men 20–45 years old, and 30 percent of all Southern title: American Civil War text: of the Appalachian Mountains, including the states of Virginia, West Virginia, Maryland, and Pennsylvania, the District of Columbia, and the coastal fortifications and seaports of North Carolina. Maj. Gen. George B. McClellan took command of the Union Army of the Potomac on July 26 (he was briefly general-in-chief of all the Union armies, but was subsequently relieved of that post in favor of Maj. Gen. Henry W. Halleck), and the war began in earnest in 1862. The 1862 Union strategy called for simultaneous advances along four axes: The primary Confederate force in the Eastern theater was the Army of Northern