Answer:
Jefferson Davis
Step-by-step explanation:
The military leaders who was in charge of the Whole Confederate Army was Jefferson Finish Davis who was born on June 3, 1808 and died on December 6, 1889 was an American politician who served as the president of the Confederate States between the year 1861 to 1865.
Jefferson Finish Davis was a member of the Democratic party who represent Mississippi before the American Civil war in the House of Representatives and also in the United States Senate.