A,C,D I hoped this helped..
I’m not sure but 4 is the answer :^(
Traditionally, the line of Byzantine emperors is held to begin with the Roman Emperor Constantine the Great, the first Christian emperor, who rebuilt the city of Byzantium as an imperial capital, Constantinople, and who was regarded by the later emperors as the model ruler.
Answer:The Western Roman Empire officially ended 4 September 476 CE, when Emperor Romulus Augustus was deposed by the Germanic King Odoacer (though some historians date the end as 480 CE with the death of Julius Nepos)
Explanation: Got from google. I also used this answer a while back and got it correct