At the same time, in relation to both of these rights--that of electing and that of being elected to national offices--it was highly necessary that the national authority, either by direct provision of the Constitution, or by a legislative power to be exercised under it, should determine the period when the rights of citizenship could be acquired by persons of foreign birth. From the first establishment of the State governments down to the present period, those governments had possessed the power of naturalization. Their rules for the admission of foreigners to the privileges of citizenship were extremely unlike; and if the power of prescribing the rule were to be left to them, and the Constitution of the United States were to adopt the qualifications of voters fixed by the laws of the States, or were to be silent with respect to the qualifications of its own officers, the rights both of electing and of being elected to national office would, in respect to citizenship, be regulated by no uniform principle. If, therefore, the right of voting for any class of federal officers were to be in each State the same as that given by the State laws for the election of any class of State officers, it was quite essential that the States should surrender to the general government the power to determine, as to persons of foreign birth, what period of residence in the country should be required for the rights of citizenship. It was equally necessary that the national government should possess this power, if it was intended that citizenship should be regarded at all in the selection of those who were to fill the national offices.