This is the third episode over the Civil War in the American Southwest.

This episode covers the Texan Santa Fe Expedition of 1841 to take the New Mexican land from the Rio Grand eastward, the hostilities between Texas and the Federal Government that almost led to the Civil War before the Compromise of 1850, and the hopes of the future Confederacy in the American Southwest. It also covers the secretive Knights of the Golden Circle and their dreams for a slave empire in the Americas. I also cover Union Commander Canby, Confederate Commander Baylor, and a slew of other characters who will impact the war in the American Southwest. Towards the end of the episode The South and Texas secedes from the Union and the latter begins preparations for battle in New Mexico.

This is the third and final introductory episode before the Civil War actually begins.