It didn't much. The Union draft act did not bring in many dependable troops. Your question probably means How did the Union army reduce the Confederate army by comparison? That was done by U.S. Grant ending the system of prisoner exchange. After that the Confederates could not replace their losses. The final surrender stemmed directly from this.
The Union army's mission was to reunite the country and crush the rebellion whereas the Confederate army's mission was to preserve the Confederacy and repel the Union invaders.
The Union Army was fighting to preserve the federate states vs the confederate states
Tennessee look it up its under reconstruction and Jim crow the whole story behind it... http://en.wikipedia.org/wiki/History_of_Tennessee#Admission_to_the_Union
They fought for the United States (the Union) as opposed to the Confederate States (Confederacy.)
1865 .
no the Union army defeats the confederate army
George Meade was the Commander of the Union Army of the Potomac from 30 June 1863 to the Surrender at Appomattox in April of 1865. He was never a Confederate.
Grant (Union) taking the surrender of Lee (Confederate). Some say that George Meade should have taken the surrender, as commander of the victorious Army of the Potomac. Grant was General-in-Chief of the Union, travelling alongside the army.
The Union Army was winning the civil war the most. The war finished with the surrender of the Confederate Army on April 9, 1865.
The confederate army had better generals
The Union Army.
Robert E. Lee surrendered to the UNION army at Appomattox Courthouse on Palm Sunday, 9 April 1865 in Virginia
he was commanding the union army
Battle of Gettysburg
They surrendered in Appomatox, Virginia in 1865. The generals were Robert E. lee for the south, and Ulysses S. Grant for the north.
The two main figures at the Appomattox Court House to discuss the terms of the surrender of the Army of Northern Virginia were Confederate General Robert E. Lee and Union General US Grant. Grant was respectful of the Confederate general. As a display of goodwill, Grant ordered for 25,000 rations for Lee's starving army.