The Commander In Chief of the Union army during the Civil War was President Abraham Lincoln; the ranking general in the field was Ulysses S. Grant.
Ulysses S. Grant commanded the winning union army and was swept into the presidency because of his victory.
== == Rutherford B. Hayes.
Robert E. Lee was offered command, but turned it down.
Grant commanded the Northern army during the US Civil War. Giap commanded the Northern army during the Vietnam War.
Meade commanded the Army of the Potomac.
During the Civil War, the army based in Washington, D.C., was known as the Army of the Potomac. It was the primary Union army in the Eastern Theater and played a crucial role in major battles, including Gettysburg and Antietam. Commanded by various generals throughout the war, it was instrumental in the Union's efforts to defeat the Confederate forces.
The first General in Chief of the Union Army was Lieutenant-General Winfield Scott.
Ulysses grant
During the American Civil War, the Union Army, often referred to as the northern army, was initially commanded by General George B. McClellan. He was succeeded by several leaders throughout the war, with General Ulysses S. Grant ultimately taking command in 1864 and leading the Union to victory. Grant's strategic leadership and aggressive tactics were pivotal in the Union's success.
During the US Civil War, there were several Union generals in charge of the Union's war efforts in the East. They were:* George B. McClellan;* Henry Halleck;* Ambrose Burnside;* John Pope;* George Meade; and* US Grant.
Meade commanded the Army of the Potomac during Gettysburg.