unlike europeans, who live in pods with no land, americans can have gardens in their yard to grow food, chickens, etc. some do that to supplement their food. but they can go to a local grocery store. they can either walk (since most suburbs including mine are in walking distance to a grocery store) or drive. our grocery stores are much larger than europe's, so many of us choose to drive so we can fit a large quantity of groceries in our car.
United States