Question: what states did not secede from the union during the civil war

title: Border states (American Civil War)
text: The ultimate decision about West Virginia was made by the armies in the field . The Confederates were defeated , the Union was triumphant , so West Virginia was born . In late spring 1861 Union troops from Ohio moved into western Virginia with the primary strategic goal of protecting the Baltimore and Ohio Railroad . General George B. McClellan destroyed Confederate defenses in western Virginia . Raids and recruitment by the Confederacy took place throughout the war . Current estimates of soldiers from West Virginia are 20,000 - 22,000 men each to the Union and the Confederacy .