The party leader is typically responsible for managing the party's relationship with the general public. As such, they will take a leading role in developing and communicating party policy, especially election platforms, to the electorate.
Answer:
The Whigs.
Explanation:
I just studied about this actually.
Answer:
The black death came from fleas. Rats in China had these fleas, and they found their way to Europe. The black death spread so easily because a) there was no proper hygiene, b) cities were often crowded and animals would walk around the streets with humans, c) the 'treatments' that doctors had really didn't have anything to do with the black death. In the end, the black death ended up killing 1/3 of Europe's population and was actually one of the reasons why the feudal system ended.