Question

What was the Underground Railroad?

A network of tunnels underground that slaves traveled to escape the south.
A network of people that moved hundreds of slaves northward each year.
A train that moved hundreds of slaves northward each year.
A group of slave owners who voted to make slavery illegal.

Answer 1

A network of people that moved hundreds of slaves northward each year.

Step-by-step explanation:

despite its name the underground railroad was actually not underground and former slaves helped each other migrate north so they could be granted freedom