Old Lights and New Lights preachers both followed Protestantism. How did the two differ? ... Old Lights preachers believed religion should be practiced in a rational way while New Lights preachers propagated emotion in religion.
Answer: The most dramatic change in Valley life came from the electricity generated by TVA dams. Electric lights and modern appliances made life easier and farms more productive. Electricity also drew industries to the region, providing desperately needed jobs.
Explanation: