Respuesta :
1. i believe your best answer is:
Constantine the Great built the city to resemble Rome, the center of the Western Roman Empire.
Like the Old Roman Empire, Constantinople was the 'Rome' for the east, with large trading markets, a large population, and the center of it's part of the empire.
2. Not very sure on this one, but i believe it is:
Claiming the pope was the highest Christian authority
During the reign of Charlemagne I, the split between the two Roman 'empires' East & Holy, led to a break up, with the Holy Roman Empire attaining Catholicism, and the East taking up Eastern Orthodox Christianity.
hope this helps
Question 1.). Your answer would be, Letter Choice (D), The leaders of the Christian Church, and " Old Rome" had moved to Constantinople.
Question 2.). Your answer would be, Letter Choice (A), Claiming the Pope was the highest Christian Authority.
Hope that helps!!!! :) (Answers: Q1: (D), and Q2: (A).).