This helped because if Harriet Tubman wasn't there to sing, the army wouldn't have saved anyone because the slaves wouldn't have any trust. When Harriet Tubman worked for the army, which was about 3 years before the war in South Carolina during the Civil War when she was a spy, well all those years she worked for the U.S, she didn't get paid not once, the reason being most likely since she was a woman is why she didn't get paid, which is not right even if women didn't have as many rights back then. When Tubman was a spy for the army she would walk into enemy territory knowing that if the enemy found her she could die but even at that cost she still helped out hundreds not caring if there were any consequences. In 1863 was this battle which was 1 year into the Civil War. Imagine if you were on enemy lines not getting paid a dime, that's how Harriet Tubman was a brave woman which is only something heroes could