I’m not sure when you say U.S. but the Republicans supported the idea of state rights. (If you could clarify you question I could help more).
Answer:
Farming was more successful in the middle colonies.
Explanation:
The northern colonies geography made the soil not as good as the middle colonies and it was more rocky and difficult t grow crops.
Urbanisation results from a natural increase in the population and rural to urban migration. People migrate to towns and cities in hope of gaining a better standard of living. They are influenced by pull factors that attract them to urban life, and push factors that make them dissatisfied with rural living.
In general, a major result of more farms becoming mechanized was that "farm workers became rural entrepreneurs, although it should be noted that this was not universal.