In 1864, Andrew Johnson (a War Democrat from Tennessee) was elected Vice President under Abraham Lincoln. He became President after Lincoln's assassination in 1865. Under Johnson's lenient re-admission policy, Tennessee was the first of the seceding states to have its elected members readmitted to the U.S. Congress, on July 24, 1866. Because Tennessee had ratified the <answer>Fourteenth</answer> Amendment, it was the only one of the formerly secessionist states that did not have a military governor during the Reconstruction period.
Their ratification of which Amendment spared Tennessee a military governor during Reconstruction?
Fourteenth