The similarity between Tubman and Douglass is that they both were former slaves who fought against the practice of slavery in their own different ways.
Step-by-step explanation:
Harriet Tubman and Frederick Douglass are people who fought against slavery in America in their own ways.
Tubman suffered the hardships of slavery from childhood and later she actively participated in the secret escape operations of the slaves.
The underground rail tunnel network was crucial in the journey of American slaves to freedom.
Tubman conducted almost 13 rescue missions and helped about 70 people escape and she was called the Moses which meant saviour.
Frederick Douglass was the leader of abolishment movement in the New York and Massachusetts. He began participating in the movement after escaping from slavery. He was an excellent orator and writer who actively fought to abolish slavery.