 Complete the following phrase:  The Tredegar Iron Works, sprawling along the James River, supplied high-quality munitions to the Confederacy during the war. The company also manufactured railroad steam locomotives in the same period. Tredegar is also credited with the production of approximately 10,000 artillery pieces during the war which was about half of the Souths total domestic production of artillery between the war years of 18611865. The foundry made the 723 tons of armor plating that covered the CSS Virginia the former USS Merrimack, which fought the first 