What does it mean when a person has "limited resources"? when is a resource considered scarce

What do you call places that belong to united states but arent states

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.

The authuor says that in some town hall meeting several thousand citizens might attend and vote . what would you do to make sure a town hall meeting of that many people would run smmothly