Earlier quoted context omitted.
> The Philippines, The United States, The Great Lakes I see nothing wrong? The Philippine (Islands). The United (States). The Great (Lakes). > the poor This is a challenge for NLP but only due to the ellipsis. "the poor (people)", where "people" is elided. I don't think most native speakers realize "poor" is an adjective here. > a means of production > a number of hamsters, the number of hamsters > a shirt, but a pie…
> The Philippines, The United States, The Great Lakes The point is that they are all names for a unique entity. There are no multiple Philippines - there's only one. Yet we should say "The Philippines", while we cannot say "The Switzerland." Similarly, we aren't talking about "a particular group of united states among multiple such groups" - for example, nobody calls Germany "The United States", even if it's made of…
You must say "a garment". "A piece of garment" is not grammatical English and never has been.
(The word garment itself, regardless of how you use it, is basically obsolete in modern English, though.)