During the Civil War what kind of infection killed a large amount of
soldiers AFTER an amputation?

Surgical Fevers also known as Gangrene or Deadly Pyemia

Explanation:

In an amputation, a person has an arm or leg (or sometimes just a hand or foot) removed from their body because of a terrible injury or infection. Military advances before and during the Civil War meant more powerful, destructive weapons, and more devastating injuries, including shattered bones. Most American doctors, however, were unprepared to treat such terrible wounds. Their experience mostly included pulling teeth and lancing boils. They did not recognize the need for cleanliness and sanitation. Little was known about bacteria and germs. For example, bandages were used over and over, and on different people, without being cleaned.

Explanation:

a.) d-day invasion of normandy.

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