Answer:
They are both :
1. Devastating and deadly epidemic that kills many people of the wordl that reaches the costal regions n the east of the globe up to the northern regions.
2.They are both epidemic of Bubonic Plague occurs as a ghastly disease
Luther came to reject several teachings and practices of the Roman Catholic church. he strongly disputed the Catholic views on indulgences.
I'm assuming because this is under the history thread, it's dealing with the U.S. Senate. There are two main political parties in the U.S. which are Democratic and Republican- but there is also an Independent party, just not as big. Representatives are people who represent a certain party in, I believe, the Senate. So when it says "proportional", it's most likely referring to the fact there is an equal amount of representatives who are under the two big parties- the Democratic or Republican.