Answer:
The level of education and vast possession of knowledge. The scholars of Timbuktu were very learned that Kings at the time called them to settle disputes. A manuscript was recently found in Timbuktu. It was on algebra which was translated to French and taken to France for study. The result indicated that it would be a material that would be taught today in second level of University Education.
The people of Timbuktu were exceptionally educated even by today's standards. Though religious studies was a part of what they studied but they made sure to study everything they find.
Such a historic center of learning cannot be replaced.
Majority of Southerners were opposed to Lincoln’s stance on slavery.
They saw him as a threat to their livelihood and harbinger of secession.
There are a total of 535 Members of Congress. 100 serve in the U.S. Senate and 435 serve in the U.S. House of Representatives.
As a Jew myself, I had heard (not knowing for sure if it’s factual) that Jews who ate Kosher food did not get the Bubonic plague. Presumably, this was due to the fact that pork carried the virus of this particular plague. It also might have accounted for the fact that non-Jews were suspicious of why the Jews were not as affected.