They mostly believed that women would become political and devoted to causes and participating in politics which would lead them to abandon their duties towards their homes which was mostly about things like chores and being a housewife. This was the common belief among anti-suffragists, but there were also radicals who believed even worse things.
According to Pope Urban II, the best way to get people to unite is to give them a common enemy.
Pope Urban II pitched the Crusades as a religious duty with a side of fighting.
The Black Death was most likely spread through Western Europe by rats and their fleas.
The Black Death was the second major epidemic of its time. The first known epidemic of of the disease that also caused "The Black Death" was The Plague of Justinian.
