The correct answer is option "D".
The growth of business in the 1950s have positive effects on farming, since innovations and mechanization sped up farm prowesses, making family farms more profitable and efficient. Farm population fell dramatically due to the rapid growth of urbanization in the world economy. However, agriculture benefited from the growing urban population due to the demands as food consumers. As a result, agricultural production increased by 50% thanks to the quality of labor, the capital, more efficient use of machinery as well as fertilizers among others.