Which statement best describes the contributions of Harriet Tubman during the Civil War?
A
Tubman was an abolitionist who served the Union in the 54th Massachusetts Regiment.B
Tubman was an abolitionist who worked as a spy for the Union Army to help the war effort.C
Tubman was an abolitionist who established the Tuskegee Airmen flying squadron.D
Tubman was an abolitionist who encouraged the Union to permit African Americans to enlist.