Which statement best describes the contributions of harriet tubman during the civil war

Tubman was an abolitionist who worked as a spy for the Union army to help the war effort.

Explanation:

One of the most popular women in American history Harriet Tubman worked on underground railroad as a conductor.Slaves from the south escaped to the north or Canada to get their rights and freedom through the secret hideout and safe homes.Tubman worked for the federal government during the civil war as a spy.By pretending to be a slave she went to the south and gathered and gathered confidential information by listening to the conversation between the officers.