Comparison of Federalist Papers Federalist 56 to United States Constitution (1997)

... distinguish the Congress from other legislative bodies, the best answer that can be given to it will be a brief explanation of these peculiarities. It is a sound and important principle that the representative ought to be acquainted with the interests and circumstances of his constituents. But this principle can extend no further than to those circumstances and interests to which the authority and care of the representative relate. An ignorance of a variety of minute and particular objects, which do not lie within the compass of legislation, is consistent with every attribute necessary to a due performance of the legislative trust. In determining the extent of information required in the exercise of a particular authority, recourse then must be had to the objects within the purview of that authority. What are to be the objects of federal legislation? Those which are of most importance, and which seem most to require local knowledge, are commerce, taxation, and the militia. A proper regulation of commerce requires much information, as has been elsewhere remarked; but as far as this information relates to the laws and local situation of each individual State, a very few representatives would be very sufficient vehicles of it to the federal councils. Taxation will consist, in a great measure, of duties which will be involved in the regulation of commerce. So far the preceding remark is applicable to this object. As far as it may consist of internal collections, a more diffusive knowledge of the circumstances of the State may be necessary. But will not this also be possessed in sufficient degree by a very few intelligent men, diffusively elected ...

... a very small proportion, on the ignorance of the legislature concerning the circumstances of the people. Allowing to this case the weight which is due to it, and comparing it with that of the House of Representatives as above explained it seems to give the fullest assurance, that a representative for every THIRTY THOUSAND INHABITANTS will render the latter both a safe and competent guardian of the interests which will be confided to it.