One of the major differences between the Catholic Church and the Eastern Orthodox Church is that priests can marry. Priests can marry but must do so before ordination. They can also marry in seminary.
Transformed or changed from one form to another.
In total, the Black Death has killed about 450 million down to 350-370 million in the 14th century.
Hope that helped! :)
It would be in a "direct democracy" in which all citizens participate directly in the government, since they would vote on each individual matter directly instead of electing representatives to vote for them.