true, not just one.
but at certain times it cleared the countryside of a majority of the people
Some scholars suggest that the depopulation was - sorry mods, political side road - elemental in bringing the Rennaisance and a change in political thinking, or social awareness with them! the pressure to produce as much food from a parcel was lifted, and surplus enabled pursuit of the arts and philosophy.
At the same time old social structures crumbled, and the knights and nobility were forced to find alternative means of income because they did not have the skill to provide for themselves, or figured it was below their stand. The peasant revolts are believed by some to be a result of this. 'dude, you wanna eat, you better plow a field!'
because there were not enough people to do the forced work anymore either.
And apparently we always had global traffic, it was just slower....
(and we don't know as much as we think we do, depending on the sources we frequent)
Unfortunately, this IS a highly political topic, as the government response dictates how badly the population will be influenced.
in historic times there was a call to prayers, spreading the disease like wildfire.
Now it is the supply of medical supply and implementation of precautionary measures.
Or not, because stock markets take priority....