Answer:
Edmund Kirby Smith
Step-by-step explanation:
Edmund Kirby Smith was known to be the General who led the Trans-Mississippi Department of the Southern Confederate during the American Civil war.
Confederates lost the civil war. Not long after that, The Northern Union forced the Southern military's leaders to be terminated from their position. General Edmund Kirby Smith was terminated tin May 17, 1865. This made him the last southern confederate General who held his position.