Answer:
The author's use of "No matter" implies his optimism involving the removal of the stain.
Explanation:
I don't have your passage, so I can't give you a full answer. However, the term "no matter" suggests that no matter what it takes, the stain will be removed.
demonstration for freedom in the history of our nation.
answer:
to operating a motor vehicle while under the influence of alcohol
The subject of the sentence is who or what is the focus.
In this case, the subject is I, because the sentence focuses upon them (I) getting a flat tire.
Hope this helps! :)
