Because it is a habitable planet that is capable of supporting living creatures
These currents are on the oceans surface and in its depths, flowing both locally and globally.
Answer:
The Civil War
Explanation:
By definition, a civil war is one fought within one nation, and that' what it was. Calling it the war for southern independence doesn't really make sense considering they lost the war and never actually got independence. Calling it the war between states is just like calling it the definiton of what a civil war is, so you may as well just call it a civil war