Question

In Roman times most people lived in small cities, while during the Middle Ages most people lived in the countryside. All of the following are reasons for this change EXCEPT __________. a. people fled the urban centers because they had become too crowded and unsanitary b. the city no longer was a center of government c. the cities came under attack from outside invaders d. the trade-based economy of the city declined

Answer 1

A does not make any sense to me i hope this helps