According to the Text, What Was an Adverse Effect of the "Green

According to the text, what was an adverse effect of the "Green Revolution"?

A) Too much food caused medical problems associated with overeating
B) Peasants were evicted from their land because their labor was no longer needed
C) The revolutionaries did not consider the long-term impacts of changing the political leadership
D) Stress for farmers because for the first time they had surplus crops that they needed to sell to pay for the "green" seeds