What was a positive economic change for Americans during the time of Manifest Destiny? Responses A Farmers began to work longer hours and began to rely on cash and credit.Farmers began to work longer hours and began to rely on cash and credit. B Population became concentrated in urban areas leading to higher crime rates and environmental consequences.Population became concentrated in urban areas leading to higher crime rates and environmental consequences. C There was a greater gap between the upper and lower class in society leading to riots and class segregations in cities.There was a greater gap between the upper and lower class in society leading to riots and class segregations in cities. D The price of goods decreased and more good became available for purchase in the marketplace