Section: Human Geography

26) Commercial agriculture is distinguished from subsistence agriculture by all but which of the following?

1. farm size
2. heavy use of machinery
3. low percentage of farmers in the labor force
4. output consumed on the farm 

As the Middle Ages waned, increasing communications, the commercial revolution, and the rise of cities in Western Europe tended to turn agriculture away from subsistence farming toward the growing of crops for sale outside the community (commercial agriculture).