Answer:
answer below
Explanation:
President Thomas Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before Britain and other European powers.
<span>Occasion is why the author started writing it in the first place. Like, I wanted to write about leaves today because I was so busy crunching them. Olaudah Equiano wrote about slavery because people didn't know about it, and as a slave he had a unique perspective. Purpose is why an author wrote about it, why it was important to him. I think you can figure that out for most of these authors. Audience is who the author wrote it for. Equiano wrote for the upperclass, people who thought slavery was harmless and humane.</span>
<span>Europeans caused populations to decline severely in both places</span>
