I want to delete submitted answers (Cards)

Question:

I want to delete the history of past submitted answers (Cards) that is displayed when you tap on the teacher button on students' tablets.

Answer:

1. Login with your teacher's account on the WEB.
2. Select Subjects and click a dropdown icon of the associated subject.
3. Select "Clear Share History" from in a dropdown list.

Note: no option to delete them individually one by one.