 Complete the following phrase:  On October 27, the battalion, officially designated the 7th Missouri Infantry Battalion, began moving towards Fort Smith, Arkansas, where a Confederate army was being organized. The unit did not reach the camp of Brigadier General Mosby M. Parsons, to whose brigade the battalion was assigned, until November 28. One day later, three companies from Fraziers Missouri Infantry Battalion were added to the 7th Missouri Infantry Battalion; the combined unit was still considered a battalion. When Parsons moved northward in the direction of Prairie Grove on December 3, the battalion accompanied the brigade. Four days later, Parsons brigade saw action at the 