But what about Puerto Rico, and the U.S. Virgin Islands, American Samoa, Guam, and the Northern Marianas?
Want to add 10 more Senators in Congress, and at least 10 more in the House?
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Granting Senators to DC is too much, IMO.
Puerto Rico should be given statehood. This is pretty clear, especially since both major party's platforms have called for it (though the GOP currently only calls for a referendum at this point).
USVI, Guam, and the Marianas have not indicated a desire for statehood. American Samoa's residents are not equivalent - they are not American citizens and their government has indicated that they have no desire to change status.
But even if they were all admitted to the Union, it would not mean more members of the House, necessarily, let alone 10 of them. It would result in reapportionment of the 435 we already have.
DC is larger in population than Wyoming and Vermont. It would likely get one Representative, but not disrupt the whole very much.
Puerto Rico's population is larger than 20 states! They'd likely end up with 4 Representatives and 6 EVs.
That you don't want to give DC voters the right to form a state is hardly shocking.
How do you feel about the US VI?! Or Puerto Rico?