Help plz answer the queastion and not anything stuppid or any files or I WILL REPORT YOU! Read the summary of paragraph 4:

Tubman wanted to help others gain their freedom. She joined the Underground Railroad movement to make a difference.

Which detail should be added to create an effective summary?

Tubman knew the Underground Railroad had nothing to do with trains.

Tubman was uncomfortable living as a free person.

In 1850, she decided to return home to spend time with her family.

Over time, she helped more than a hundred people escape slavery.