Answer:
I think it's C, but that's just my guess. I hope you'll pass, and good luck to you!
Between russia and Ukraine......probably
Answer:
When the Aztecs saw an eagle perched on a cactus on the marshy land near the southwest border of Lake Texcoco, they took it as a sign to build their settlement there.
Explanation:
The Nile River
The Tigris and Euphrates Rivers
Hope that helps :)