the laws and Constitutions of the States and the US Constitution;
would trace out the steps by which they should acquire certain degrees of US citizenship.
Congress may point out a uniform "Rule of Naturalization",
but cannot say what shall be the effect of that "Naturalization", as it respects the particular States.
Congress cannot say that foreigners,"Naturalized", under a general law, shall be entitled to privileges which the States withhold from native citizens.
Congressional Debates, Rule of Naturalization, Feb. 3rd, 1790, pgs, 1152, 1156, 1157
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