Answer:
English is a topic that is a theme of opinion. Instead of closing the conversation , Grace could share that she had worked hard and but didn't get the grade she wanted, then asked why she got a C and listen to what her teacher has to say.
Hope I helped uwu
The author choose to concede the point and offers no rebuttal
"This was the first nation in the history of the world to be founded with a purpose."
"The history of this country, in large measure, is the history of the expansion of that right to all of our people."