I do not understand what exactly your question is but,
The 3 branches are the <u><em>Executive</em></u> branch, <em><u>Legislative</u></em> branch, and <em><u>Judicial</u></em> branch.
The <em>Legislative</em> branch <em>makes the laws</em>.
The <em>Executive</em> branch <em>enforces laws or put them in action</em>.
The <em>Judicial</em> branch <em>passes the law</em>.
This separation is called <u><em>"The Separation of Powers"</em></u>.
Ahh power, lowest slaves, middle merchants, etc... you know how it goes
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.