The Battle of Mansfield was a major part of the Union offensive campaign, which ended in defeat for General Banks.

Kirby Smith, whose strength varied from 6,000 to 15,000. Banks, and Confederate forces under General E. The expedition was a Union military operation, fought between approximately 30,000 federal troops under the command of Major-General Nathaniel P. It marked the last major offensive attempted by the Union in the Trans-Mississippi Theater. The offensive was intended to stop Confederate use of the Louisiana port of Shreveport, open an outlet for the sugar and cotton of northern Louisiana, and to split the Confederate lines, allowing the Union to encircle and destroy the Confederate military forces in Louisiana and southern Arkansas. It was launched through the densely forested gulf coastal plain region between the Red River Valley and central Arkansas towards the end of the war. The Red River campaign, also known as the Red River expedition, was a major Union offensive campaign in the Trans-Mississippi theater of the American Civil War, which took place from March 10 to May 22, 1864.

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