Hey there
America<span> is the geographical name. It divides the south and the north. It divides Canada and USA.
</span>United states is a country. It is independent.
I believe that's true. Sentences in a paragraph should all be related.
1. C
2. D
3.c
4.b
5.c?
6.<span>The Trail of Tears was a brutal event in Native American history, on which many individuals were exposed to disease and exhaustion.
7.b</span>