My Answer/Response:
Barbara is upset because her Union flag is removed when the Confederate soldiers come through town to get rid of all the Union flags. So, she boldly takes a stand against it, despite her life being on the line. She puts her flag back up in her attic window, showed her loyalty.
Sample Response: When the Confederate soldiers come through town, they remove all of the Union flags. Barbara Frietchie is upset that her flag was removed. She puts her flag back up in the attic window, risking her life to stand up for what she believes.
Hope that this is helpful!
Also, remember to love yourself and that you are amazing ;)