¿Qué importancia tuvo la prensa en el siglo XIX?

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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.

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.