What was William t Sherman's allegiance to?

William T. Sherman was a Union general during the American Civil War, known for his significant role in leading Union forces to victory. He is best remembered for his "March to the Sea," which involved a scorched earth policy aimed at crippling the Confederacy's ability to sustain the war. Sherman's allegiance was firmly to the Union and the preservation of the United States, advocating for total war to achieve that objective. His military strategies and tactics were instrumental in the ultimate defeat of the Confederate states.