A Slums are NOT an example of positive effects of city growth.
C. China
China provides many services and things to the rest of the world, but like it says in the passage, there is still a lot of poverty.
C. Invade the beaches at Normandy
The answer would be Crusades
Papal primacy, also known as the primacy of the Bishop of Rome, is an ecclesiastical doctrine concerning the respect and authority that is due to the pope from other bishops and their episcopal sees