Answer: The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinople (modern-day Istanbul, and formerly Byzantium).
Explanation:
The answer is D
A good way to remember this is to think about America before or pre-columbus, who came to the americas in 1492.
The Civil War was from 1861-1865 which is 4 years.
All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
Yes because they wouldn't be down on back up for their team.