In addition to leading more than 300 enslaved people to freedom, Harriet Tubman helped ensure the final defeat of slavery in the United States by aiding the Union during the American Civil War. She served as a scout and a nurse, though she received little pay or recognition.
Explanation:
This off of britannica its a trusted and official historical website like history.com
A. natural rights (through process of elimination, you can determine that the other principles were mentioned in the US Constitution not the Declaration of independence)
