As a materialist, I am not particularly taken by this particular argument (which is not to say that I would summarily reject other arguments to the same end.) It's weakness, I think, is in the claim that the United States has all the types of properties that materialists tend to regard as characteristic of conscious beings. If you favor some form of panpsychism (especially in the form that, for example, regards build…
I guess whoever controls the definition can do the required gymnastics. However, even if we define "memory" in terms of artifacts like buildings and books, the place where these United States as such actually make decisions is unclear. Jokes about Congress aside, those chambers are comprised of 535 arguably sentient individuals, not a single hive mind driving the country.
So? Sentient individuals could just as well play the role of neurons (or similar) in a larger groupping - where their own sentiousness (sic?) doesn't matter at that level, it's their collective output that matters...