For Most American Farmers,the 1840s and 1850s Was a Period

For most American farmers,the 1840s and 1850s was a period of

A) economic decline,as more people moved to urban centers.
B) rising prosperity due to increased world demand for farm products.
C) extreme economic highs and lows brought on by volatile changes in demand.
D) economic growth in the West but decline in the East.
E) increasing economic connections between the North and South.