Answer: 4
Explanation:
The role of Harriet Tubman in the Underground Railroad
Harriet Tubman was an escaping enslaved woman who had been a "conductor" on the Underground Railroad, guiding enslaved people to freedom until the Civil War, all while she was wearing a bounty on her back. Yet she was also a nurse, a Union spy, and a female suffrage advocate.
When used as a verb it is: to allow, when used as a noun it is: authorization
1) Olive was stunned and horrified by Laura’s rude appalled.
2) The students delivered a petition with many signatures on it to the teacher requesting an extra week to finish their projects.
3) The segregation of boys and girls at school is common in some parts of the world.
4) Don had a special aptitude with learning languages. He spoke English, German, Spanish, and Japanese.