Answer: Malthusianism
Explanation:
For about 1,000 years after the fall of the Roman Empire, there was essentially no growth in output per person in European increase in output led to a proportional increase in population. This type of phenomenon is referred to as Malthusianism.
This policy believed that there will be no growth in the output per person because the output growth will lead to population growth and therefore, a balance between the food supply and the population growth should be put in place to checkmate this.
The correct answer is commuter marriage.
Commuter marriage refers to the type of marriage which exists between two people who don't live together. In the case above, the husband lives in another city due to work, whereas his wife and kids live in their old city. However, he still comes to visit them as much as he can, when he is not working.
It is referred to frequently in the ancient Indian texts. The four classes were the Brahmins<span> (</span>priestly<span> people),
the </span>Kshatriyas<span> (also called </span>Rajanyas<span>, who were </span>rulers<span>, administrators and warriors)
the </span>Vaishyas<span> (</span>artisans<span>, merchants, </span>tradesmen<span> and farmers)
</span>Shudras<span> (labouring classes).</span>