It made it easier for people to reach each other without traveling or sending mails
This type of
response mainly relies on "<span>Diplomacy", which is the preferred course of action for most nations before resorting to military action because it's more legitimate. </span>
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The black death was one of the most devastating disease outbreak in the history of human race. The black death resulted in a lot of crises including religious, social and economic upheavals. Although the disease affected all the people in Europe, at a time the Jews were blamed for the ravages caused by the disease outbreak. The Jews were thought to be responsible for the disease, therefore, other people started killing the Jews who live in their communities and this lasted all through the time of the disease out break.
Marting Luther King DID NOT help the protestants and catholics split, the person you are thinking about it Martin Luther, he wrote the 95 Theses explaining what he disliked about the catholic church, which caused others to question some parts of the church and eventually establish the protestant churches.