Answer:
E. A greater number of men working at home
Explanation:
The period between 1815 and 1860 was an important economic period for agriculture in America as demand of cotton and other farm produce was high and the demand was well met by the farmers.
As a result of this, agricultural prices and cost of production rose.
The option that was not a result of the growth of the national market economy is option E because a vast majority of men were out working in the fields.