Empire means a group of countries or companies that are under the control of one person.
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.
Income not used for consumption is called saving, C.
C. French defeats in Haiti ruined Napoleon's plan to build an empire in America.
Napoleon decided that holding a empire outside Europe would be too costly, drain too much resources and spread his troops out too much. He decided to drop most of the colonies & sell the Louisiana to the US not only as to be able to have more money to fund his wars, but also to give the UK a rival for the future.
~
