The right answer for the question that is being asked and shown above is that: "<span> A. people fled the urban centers because they had become too crowded and unsanitary" </span>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 <span>this change EXCEPT </span><span>people fled the urban centers because they had become too crowded and unsanitary</span>
Answer:
Prohibiting slavery in the territories.
Explanation:
According to the ruling it was decided that Congress had exceeded their authority when ratifying the Missouri Compromise, and therefore "had no power to forbid or abolish slavery in the territories west of Missouri and north of latitude 36°30" (Britannica.com).
This reference came from a comedian named Will Rogers, he used it do describe President Herbert Hoovers stimulus efforts during the Great Depression.
