Why did Napoleon’s reign make European leaders eager to restore the monarchies?

Leaders believed the monarchs could help prevent any one ruler from taking too much power.
Leaders thought that another powerful ruler like Napoleon might emerge from the monarchs.
Leaders felt that the monarchs could determine which nation should be most powerful.
Leaders believed that new monarchies would meet the people’s demands for reform.

demand is the need and oportunity to buy a given good or service.

your answer would be a) no nation can be economically self-sufficient.

stay in school!

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.