Answer:
The answer is letter d.
Explanation:
Peasant- This refers to a poor farmer who only rents a land in order to farm.
Peasantry refers to the social class or ranking among peasants. It's not an occupation nor a profession. A profession requires a prolonged period of training or formal education.
Post-industrial economy- This is considered to be the period of growth in the industrialized sector. During this time, the importance of manufacturing declined and people became more interested in research.
Peasants were known to be common during the pre-industrial age. However, during the post-industrial time, people became more aware of the sustainability problem regarding food supply. In order to address the issue, people realized the importance of the peasant in the production of food. Thus, they became a trend once more.