Final answer:
Harriet Tubman's nickname was 'Moses' due to her dedication to leading enslaved people to freedom, much like the biblical figure Moses. Therefore the correct option is A) "Moses"
Step-by-step explanation:
Harriet Tubman, a major figure in American history especially known for guiding enslaved people to freedom via the Underground Railroad, was famously nicknamed 'Moses'. This epithet was given to her due to her dedication to leading her people to freedom, drawing a parallel to the biblical story of Moses leading the Israelites out of Egypt.
Learn more about Harriet Tubman's Nickname