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.
The answer is D because it was the easies way to travel back then
A voilent protest, threats towards a school or a threat to a federal ran business such as a post office some banks police station etc.
If you are asking if a cattle trail went through New Mexico Yes, otherwise if it is different let me know I am really good at things like this