The First General-in-Chief of Union Army who became President of the United States was Ulysses S. Grant.
General Robert E. Lee
Jackson led a determined stand against the Union Army
Jackson led a determined stand against the Union Army
Commanding General Ulysses S. Grant
Jackson led a determined stand against the Union Army
Jackson led a determined stand against the Union Army
Jackson led a determined stand against the Union Army
Jackson led a determined stand against the Union Army
Jackson led a determined stand against the Union Army
If the question pertains to the US Army of the Potomac, the last general to lead all the Union armed forces was Ulysses S. Grant. He was appointed by Lincoln and only reported to Lincoln. Whom ever might be leading any part of the Army of the Potomac, they reported to Grant. Grant was the last of a long line of generals to be appointed to lead all the Union forces.
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