But in exchange you get to go anywhere in America. You aunt in San Jose you haven't seen in months because it's a day's horse-ride. Well you can pop over for lunch, and be home for dinner. You can go see Yosemite and Tahoe in the same day. Your groceries will be 10 mins away.
No. If someone invented cars today, he'd be considered a hero. We'd talk about him in history books.
I doubt your groceries would be more than 10 minutes away even if no cars had been invented. Zoning practices would change to allow more shops distributed across residential areas. That would make more sense than requiring people to ride an hour on horseback.
But yes, the supermarket would be much less 'super' with a much smaller selection of goods.
No. If someone invented cars today, he'd be considered a hero. We'd talk about him in history books.