Which of the following best explains how napoléon governed france's empire in europe?
a. he established a new set of laws based on reason rather than tradition.
b. he made french leaders the heads of government in all territories.
c. he forced citizens in conquered territories to execute all aristocrats.
d. he required all government officials to convert to catholicism.

He established a new set of laws based on reason rather than tradition.

so what is your question?

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.