After organizing the chaos in St. Louis, Missouri, Curtis was given command of the Army of the Southwest on December 25, 1861, by Maj. Gen. Henry W. Halleck. The Army originally consisted of three divisions, the 1st commanded by Brig. Gen. Franz Sigel, the 2nd by Brig. Gen. Alexander Asboth, and the 3rd by Col. Jefferson C. Davis. However, Sigel, a native German who held significant influence amongst the many German immigrants in the army, threatened to resign over having not been appointed to command of the army himself. Curtis subsequently gave him overall command of the first two divisions, consisting mainly of German immigrants, while creating a 4th Division commanded by Col. Eugene A. Carr.