1865: The CS Army of Northern Virginia lays siege to Washington DC. The Cleburne Memorial is releases to the public and 300,000 blacks are enlisted in the Confederate Armed Forces, 100,000 are sent to aid the ANV while 75,000 are sent to the CS Army of Tennessee. 75,000 are sent west to join the newly formed Army of West Texas. The remaining 50,000 troops are sent south to join the newly formed Army of the Transmissiisippii. 1868: The CSA begins a period of self imposed isolation. New Mexico and Arizona join the Confederacy as the 15th and 16th states. 1873: