no one
that was George b.McClellan
The general in chief of all Union armies at the end of the war was Ulysses S. Grant.
Someone who commanded the major armies during the Civil War
The Commanding General of the Union Army was Ulysses S. Grant
Ullyses S. Grant was the general of the Northern armies (Union) who went on to become president
The last Commanding General of the Union Army was Ulysses S. Grant
The Commanding General of the Union Army (for most of the Civil War) was General Ulysses S. Grant; the Commanding General of the Confederate Army was Robert E. Lee
Richard MontgomeryRobert E. Lee was the commanding general for the Confederacy and Ulysses S. Grant was the commanding general for the Union.
Irvin McDowell
The General-in-Chief of the Union Armies was Ulysses S. Grant, and General-in-Chief of the Confederate armies was Robert E. Lee. Technically, the commander of the victorious Army of the Potomac was General George Meade, but Grant was travelling in a mobile HQ right beside him, and took Lee's surrender.
well the next commanding officer with the greatest rank would replace him
General Ulyses Grant was the Commanding General for the US Union troops during the Civil War. He also became the 18th President of the United States in 1869.