mr. dunkerly: i have not researched that. they have a process. there were forces left to occupy the south and the majority of the troops are going to be moving back to their home states. i do not know the details but they had a system. it worked pretty efficiently. i think by the end of the summer or the fall, a large percentage of the union army was on the way home. i do not know the details. >> we can take the last two questions quickly. >> the rest of the army in northern virginia, i know fitfullyzley moved out to the appomattox area and john mosley, who had a small command. can you stick to the confederate calvary and other troops that were not with lee and how they managed to surrender? mr. dunkerly: sure. i've even got a photograph we can refer to. most of the calvary in the athletics campaign, a large amount of the confederate calvary got away from appomattox and made it to lynchburg. one of the city parks and lynchburg is this monument. one of the local calvary units mustered in in 1861 on the fairgrounds and arrived back 4 years later to

mr. dunkerly: look at their history. they has been removed, the trail of tears. the u.s. government and u.s. military is there traditional enemy. they're anxious to ally themselves with the enemy of the u.s. hoping they can gain more independence. it just seems natural. of course, as things deteriorate they are quick to turn around at the end of the war. it is because of the treatment of the united states government. they've been removed from their homelands and resettled in oklahoma. they saw a chance to gain a measure of independence back. thank you. [captions copyright national cable satellite corp. 2015] [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] [applause] >> for those who have more questions, he will be in the lobby signing his books. you can ask questions. one thing to keep in mind, there were also native americans that did fight in the union army as well. particularly from minnesota. and yesterday we talked about ely parker, who drafted the terms at appomattox. bert has s