Final answer:
Harriet Tubman returned to the South multiple times to free other slaves because she was dedicated to helping enslaved individuals escape to freedom.
Step-by-step explanation:
Harriet Tubman returned to the South many times to free other slaves because she was committed to helping enslaved people escape to freedom. After her own escape from slavery in the late 1840s, Tubman risked her life to rescue her family and friends, as well as other enslaved individuals. She made at least thirteen trips back to the South and helped approximately seventy enslaved people gain their freedom through the Underground Railroad.