Answer:
Explanation:corona virus is a micro organism u can see it ,is not air born disease it start 2019 from china
Andrew Jackson and his supporters responded to the “corrupt bargain” of 1824 by quitting the Federalist Party.
Answer:
A market for cats would have had a positive externality.
Because the cats would kill the rats on sight since that is their natural behavior.
However, it is interesting to mention, that the cat's killing has been more of a "mythic" aspect of this story, since it fails to take into account that since the black death was caused by the<em> yersinia pestis</em> bacteria, cats could have been also infected, and since their interactions with humans are greater than rats or fleas, the real outcome could have been totally unexpected.
