As officers in the Federal Army of the Potomac voice opposition to their commander and the soldiers threaten mutiny, General Ambrose Burnside gives President Abraham Lincoln an ultimatum.

Exploring the most important 55 months in American history
As officers in the Federal Army of the Potomac voice opposition to their commander and the soldiers threaten mutiny, General Ambrose Burnside gives President Abraham Lincoln an ultimatum.
Ambrose E. Burnside moves forward with plans to launch another Federal offensive in northern Virginia, despite reservations by his officers and men within the Army of the Potomac.
Robert E. Lee sends Confederate reinforcements to Thomas “Stonewall” Jackson in Virginia’s Shenandoah Valley with orders to crush the Federals opposing him.