Answer: A. drought
Explanation:
It is A because their environment changed alot so it was difficult to grow corn and so the migrated south where it rained more.
These are some of the states that gained their independence
MexicoHaitiColombiaVenezuelaBrazil
Answer: D. Armenians
Explanation: Tamaz V. Gamkrelidze and Vyacheslav Ivanov proposed the Armenian speculation. The Armenian theory recommends that Proto-Indo-European was talked in Eastern Anatolia, Southern Caucasus and Northern Mesopotamia which are situated in the fringes of Europe and parts of Asia. It shows the general population went from Proto-Indo-European country to other neighboring parts of the world.
C he was impeached because of lying and stealing.
Answer:
Both were strong at their peaks, but seeing how the vikings were much more used to the sea life and raiding, and how the peak of roman military was extremely focused on conquests, i would say the romans would beat them. But in a water battle, vikings probably take the cake.
hope it helps you