What was the bigger problem for the army of northern Virginia:supply shortages or manpower shortages :why?

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The bigger problem for the Army of Northern Virginia was Supply Shortages and not the shortage of manpower.

Explanation:

As the Civil War progressed both the Union Armies and Confederates faced a shortage of strong and able men to carry out the war. However, this was not always the case.

The Army of Northern Virginia was an important branch of the Confederate army and was even commanded by the famous Robert E Lee.

Due to the passion of the time and the relatively dense populations in the State, the army was able to muster great support and manpower.

This was true throughout most of the civil war. However, the army began to run thin when it would win subsequent battles, make bases further away and capture towns.

As they fought more battles and required more men, they began to run into supply shortages. In those days, Armies strategically moved in war to have secure safe areas for supplies to be maintained at all times.

With thousands of men and horses, shortages began to rise and the commander, Robert Lee had to move 50% of his artillery force back into the forests in order to make sure that the horses were well-fed.