Visual elements could be any sort of illustration or photographs or diagrams. These can all set the tone of the writing.
It depends what kind of activist we are talking about. If the activist was for human rights, we could possibly consider them as a humanitarian, because the definition for humanitarian is: concerned with or seeking to promote human welfare. This is quite similar to a human rights activist, so I would say yes.
Answer: The noun clause is "My top priority was we get to the game on time
Explanation: Because a noun clause is the content based off of what is commented or the subject.
