A significant area of disagreement among delegates at the Constitutional Convention was how to decide how many representatives from each state to appoint to Congress--with the smaller states wanting it to be a set number, and the larger states wanting it to be proportional to the state population size. The result was the the Connecticut Compromise created two houses, thus satisfying both states.
William Penn believed deeply in religious freedom and tolerance.
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