I would say appeal based on logic. I'm not entirely sure, but that's what makes the most sense to me :)
Answer:
A, because of the cataracts.
Explanation:
The cataracts made the river too dangerous to travel in as the rock filled rapids would destroy the boat, and destroy them.
Sherman's March to the Sea, known as the Savannah Campaign<span>, was a military campaign of the American Civil War conducted through Georgia by </span>Major General William Tecumseh Sherman<span> of the Union Army. Hope this helps!!</span>
