I'd say that it would be gold rush
The main way in which John Marshall's interpretation of the constitution was different from Thomas Jefferson's is that Marshall believed that the Constitution could be interpreted fairly widely, while Jefferson was an "originalist".
The answer is: He wanted to amass as much land as possible for France.
At that time, Napoleon believe that Acquiring as much land as possible is the key to ensure the French empire's wealth for the following generation.
He see that lands contain a large number of opportunities because lands often contain various type of resources that can be used as materials for products to be sold to other country.