Sometimes the result we get is not what we anticipated. Contrast the motive behind Upton Sinclair's expose of the meatpacking industry with the action taken by officials. Did this kind of reporting yield results?

to extend a country’s power and influence

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.