Confederate States of America of states prior to 1865, it would have made institutionalized slavery immune to the constitutional amendment procedures and to interference by Congress. The first secession state conventions from the Deep South sent representatives to meet at the Montgomery Convention in Montgomery, Alabama, on February 4, 1861. There the fundamental documents of government were promulgated, a provisional government was established, and a representative Congress met for the Confederate States of America. The new 'provisional' Confederate President Jefferson Davis issued a call for 100,000 men from the various states' militias to defend the newly formed Confederacy. All Federal property was seized, along
Congress of the Confederate States would sit as a Constitutional Convention, the Provisional Congress established the several executive departments, virtually mirroring those of the U.S. Government. The only major exception was the Confederate Post Office which was required to be financially self sustaining. On March 4, 1861, the Confederacy adopted its first flag used throughout the Confederacy on the battlefield and at government office buildings for the duration of the Civil War. Following the Confederate attack on Fort Sumter in April 1861, the remaining six states admitted to the Confederate States of America with representation in its Congresses met in three additional sessions between July