 Complete the following phrase:  Upon the launch of the Union Armys Red River Campaign, seizing Alexandria, Louisiana and moving on Natchitoches and Shreveport, General Kirby Smith ordered Churchills Arkansas Division which had most of his infantry including Tappans and Gauses brigades south to Shreveport, Louisiana, in early March, 1864 to assist in countering Union General Nathaniel Banks advance along the Red River. Churchills division reached Keatchie, Louisiana, in time to support Richard Taylors main force who routed Banks army in the Battle of Mansfield Sabine Crossroads on April 8, 1864. The next day, the Confederate forces united to attack the Union rear guard at 