Answer:
After being affected by the siege of Caffa, the Black Death spread to Palestine and Syria in 1348 and to Arabian peninsula, reaching Mecca.
Explanation:
I believe it is the last option... "Its political system cannot be easily changed.
"<span>Jackson refused to support laws that would set up a national bank" is the best option here. Jackson was famously opposed to the creation of a national bank. </span>
People were becoming more civilized.
The answer is local government.