It depends what’s the following answer
Answer:
in my point of view i think A is the answer
Answer: Tell me if i am wrong, but wasn't it the Indians?
Explanation:they were there before Columbus
The answer is A: Constantine recognized the legality of Christianity. This was the biggest change in the Roman Empire to date. Constantine had a change of heart due to a dream he was seen by Jesus- and that is the result he became Christian. In addition, 'the great schism' was a barrier that Constantine and pope were separated (both which they agreed on) due to different ethnicities, languages & culture.
The great schism chart
Constantine's side
East side- middle easterners, Egyptians, turkey
Languages- turkish, Arabica
Pope's side
West side- Rome, Italy
Language- Latin
The Black Plague didn't help improve the lives of anybody - it was such a horrible disease and spread so quickly throughout Europe that it decreased the population dramatically.