Out of the choices given, the body of water that the Eastern Roman Empire bordered was the Black Sea. The capital of of the empire was Constantinople and it was the closest to the Black Sea. The correct answer is A.
The Vietnam war proved that the state of global communism was strong in winning battles with regards to alliances. It showed that if communist countries coordinated with each other, they would be a very powerful and fearful bunch of countries.
Answer:
First, the February Russian Revolution toppled the Russian monarchy and established a Provisional Government. Then in October, a second Russian Revolution.
Explanation: