That's a good question, and I'm culturally ignorant. When I lived in Texas, my impression was that "tea" was unsweetened iced tea, to which people added their own sweetener. Then when I visited Virginia, "tea" was heavily sweetened.
My friend told me that drinking coffee with a meal instantly identified me as a Midwesterner.
My friend told me that drinking coffee with a meal instantly identified me as a Midwesterner.