Niger and Congo are two rivers after which countries are named (actually in both cases two countries each) - and those are African countries, so they must be in Africa.
Zambezi is a river in Angola and Namibia.
Tigris is a River in Mesopotamia, in Asia - so that's the correct answer!
Physical processes are the natural forces that change earths features.
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
