I'd choose <span>A. nonessential, adjective
Because you can take that part out and still have the sentence make sense. Also, it modifies "</span><span>Arabian glass"</span>, telling us about when it appeared.
Answer:
It changed American history forever
Explanation:
If we didn't win that war, we would not be a free country
The answer will depend on what you want to write about, please type what you want to write about in the comments!
Answer:
C.A graph with color so the data stands out
Explanation:
Because she's presenting to a group of customers, this is a sensible choice. <em>Option B</em>, the PowerPoint, would be informational, but when trying to advertise a customers, you would want to be crowd pleasing. However, you do not want to be distracting. <em>Option A</em> could probably deliver information, but one could easily loose focus with a lot of distracting fonts. And <em>Option D</em>. is ruled out, because it states that the clip art relates nothing to the speech information. <em>Option C</em> sounds altogether fun loving and informational!